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Cgi Inc – ‘40-F’ for 9/30/19 – ‘EX-101.SCH’

On:  Thursday, 12/19/19, at 5:26pm ET   ·   For:  9/30/19   ·   Accession #:  1193125-19-319303   ·   File #:  0-29716

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  As Of               Filer                 Filing    For·On·As Docs:Size             Issuer                      Filing Agent

12/19/19  Cgi Inc                           40-F        9/30/19  160:22M                                    Donnelley … Solutions/FA

Registration Statement or Annual Report by a Canadian Issuer   —   Form 40-F   —   Sect. 12 or 13(a) / 15(d) – SEA’34
Filing Table of Contents

Document/Exhibit                   Description                      Pages   Size 

 1: 40-F        Registration Statement or Annual Report by a        HTML    105K 
                Canadian Issuer                                                  
 2: EX-99.1     Miscellaneous Exhibit                               HTML    618K 
 3: EX-99.2     Miscellaneous Exhibit                               HTML   1.04M 
 4: EX-99.3     Miscellaneous Exhibit                               HTML    724K 
 5: EX-99.4     Miscellaneous Exhibit                               HTML     46K 
 6: EX-99.5     Miscellaneous Exhibit                               HTML     46K 
 7: EX-99.6     Miscellaneous Exhibit                               HTML     41K 
 8: EX-99.7     Miscellaneous Exhibit                               HTML     41K 
 9: EX-99.8     Miscellaneous Exhibit                               HTML     43K 
10: EX-99.9     Miscellaneous Exhibit                               HTML     42K 
22: R1          Document and Entity Information                     HTML     65K 
109: R2          Consolidated Statements of Earnings                 HTML     84K  
128: R3          Consolidated Statements of Comprehensive Income     HTML     75K  
80: R4          Consolidated Balance Sheets                         HTML    148K 
23: R5          Consolidated Statements of Changes in Equity        HTML     78K 
110: R6          Consolidated Statements of Cash Flows               HTML    120K  
129: R7          Description of business                             HTML     44K  
78: R8          Basis of preparation                                HTML     44K 
26: R9          Summary of significant accounting policies          HTML    229K 
50: R10         Accounts receivable                                 HTML     51K 
72: R11         Funds held for clients                              HTML     48K 
152: R12         Property, plant and equipment                       HTML    130K  
100: R13         Contract costs                                      HTML     59K  
48: R14         Intangible assets                                   HTML    140K 
71: R15         Other long-term assets                              HTML     53K 
151: R16         Long-term financial assets                          HTML     51K  
99: R17         Goodwill                                            HTML     95K 
52: R18         Provisions                                          HTML     55K 
67: R19         Long-term debt                                      HTML     76K 
136: R20         Other long-term liabilities                         HTML     51K  
114: R21         Income taxes                                        HTML    173K  
20: R22         Employee benefits                                   HTML    373K 
74: R23         Accumulated other comprehensive income              HTML     57K 
135: R24         Capital stock                                       HTML    109K  
112: R25         Share-based payments                                HTML    123K  
19: R26         Earnings per share                                  HTML     61K 
73: R27         Remaining performance obligations (Notes)           HTML     44K 
131: R28         Cost of services, selling and administrative        HTML     56K  
116: R29         Amortization and depreciation                       HTML     61K  
104: R30         Net finance costs                                   HTML     54K  
155: R31         Investments in subsidiaries                         HTML     99K  
65: R32         Supplementary cash flow information                 HTML    112K 
44: R33         Segmented information                               HTML    162K 
105: R34         Related party transactions                          HTML     58K  
157: R35         Commitments, contingencies and guarantees           HTML     62K  
66: R36         Financial instruments                               HTML    319K 
45: R37         Capital risk management                             HTML     54K 
103: R38         Summary of significant accounting policies          HTML    294K  
                (Policies)                                                       
159: R39         Summary of significant accounting policies          HTML    357K  
                (Tables)                                                         
119: R40         Accounts receivable (Tables)                        HTML     50K  
137: R41         Funds held for clients (Tables)                     HTML     48K  
88: R42         Property, plant and equipment (Tables)              HTML    135K 
33: R43         Contract costs (Tables)                             HTML     58K 
121: R44         Intangible assets (Tables)                          HTML    142K  
138: R45         Other long-term assets (Tables)                     HTML     52K  
89: R46         Long-term financial assets (Tables)                 HTML     51K 
34: R47         Goodwill (Tables)                                   HTML     93K 
118: R48         Provisions (Tables)                                 HTML     54K  
139: R49         Long-term debt (Tables)                             HTML     83K  
146: R50         Other long-term liabilities (Tables)                HTML     50K  
91: R51         Income taxes (Tables)                               HTML    166K 
43: R52         Employee benefits (Tables)                          HTML    364K 
62: R53         Accumulated other comprehensive income (Tables)     HTML     56K 
145: R54         Capital stock (Tables)                              HTML    103K  
90: R55         Share-based payments (Tables)                       HTML    146K 
42: R56         Earnings per share (Tables)                         HTML     61K 
61: R57         Cost of services, selling and administrative        HTML     56K 
                (Tables)                                                         
144: R58         Amortization and depreciation (Tables)              HTML     61K  
92: R59         Net finance costs (Tables)                          HTML     54K 
30: R60         Investments in subsidiaries (Tables)                HTML     81K 
87: R61         Supplementary cash flow information (Tables)        HTML    116K 
143: R62         Segmented information (Tables)                      HTML    163K  
126: R63         Related party transactions (Tables)                 HTML     58K  
27: R64         Commitments, contingencies and guarantees (Tables)  HTML     61K 
84: R65         Financial instruments (Tables)                      HTML    459K 
140: R66         Summary of significant accounting policies -        HTML     53K  
                Disclosure of Estimated Useful Lives of Property,                
                Plant and Equipment (Details)                                    
122: R67         Summary of significant accounting policies -        HTML     57K  
                Disclosure of Estimated Useful Lives of Intangible               
                Assets (Details)                                                 
32: R68         Summary of significant accounting policies -        HTML     45K 
                Disclosure of Adoption of Accounting Standards                   
                (Details)                                                        
83: R69         Summary of significant accounting policies -        HTML    125K 
                Disclosure of lease adoption (Details)                           
54: R70         Accounts receivable (Details)                       HTML     50K 
38: R71         Funds held for clients - (Details)                  HTML     47K 
93: R72         Property, plant and equipment - Schedule of         HTML    100K 
                property, plant and equipment (Details)                          
147: R73         Property, plant and equipment - Assets acquired     HTML     58K  
                under finance leases (Details)                                   
57: R74         Contract costs (Details)                            HTML     53K 
41: R75         Intangible assets (Details)                         HTML    118K 
96: R76         Other long-term assets (Details)                    HTML     55K 
150: R77         Long-term financial assets (Details)                HTML     50K  
59: R78         Goodwill - Variations in goodwill (Details)         HTML     86K 
36: R79         Goodwill - Key assumptions for cash-generating      HTML     75K 
                units (Details)                                                  
55: R80         Provisions (Details)                                HTML     56K 
39: R81         Provisions - Narrative (Details)                    HTML     48K 
94: R82         Long-term debt - Disclosure of Long-Term Debt       HTML    170K 
                (Details)                                                        
148: R83         Long-term debt - Disclosure of Minimum Finance      HTML     55K  
                Lease Payments (Details)                                         
56: R84         Other long-term liabilities (Details)               HTML     51K 
40: R85         Income taxes - Disclosure of Income Tax Expense     HTML     66K 
                (Details)                                                        
95: R86         Income taxes - Reconciliation of Effective Income   HTML     60K 
                Tax Rate from the Combined Federal and Provincial                
                Canadian Statutory Tax Rate (Details)                            
149: R87         Income taxes - Disclosure of the Continuity of      HTML    107K  
                Deferred Tax Balances (Details)                                  
60: R88         Income taxes - Disclosure of Deferred Tax Balances  HTML     49K 
                (Details)                                                        
37: R89         Income taxes - Narrative (Details)                  HTML     85K 
29: R90         Employee benefits - Narrative (Details)             HTML     92K 
86: R91         Employee benefits - Amounts for Benefit Plans       HTML     69K 
                Included in Balance Sheet (Details)                              
142: R92         Employee benefits - Defined Benefit Obligations     HTML    115K  
                (Details)                                                        
125: R93         Employee benefits - Plan Assets and Reimbursement   HTML     96K  
                Rights (Details)                                                 
28: R94         Employee benefits - Fair Value of Plan Assets       HTML     66K 
                (Details)                                                        
85: R95         Employee benefits - Employee Benefit Expenses       HTML     57K 
                (Details)                                                        
141: R96         Employee benefits - Actuarial Assumptions           HTML     67K  
                (Details)                                                        
123: R97         Employee benefits - Change in Principal Actuarial   HTML     86K  
                Assumptions (Details)                                            
31: R98         Employee benefits - Weighted Average Duration of    HTML     49K 
                Benefit Obligations (Details)                                    
82: R99         Accumulated other comprehensive income (Details)    HTML     83K 
101: R100        Capital stock - Narrative (Details)                 HTML     62K  
158: R101        Capital stock - Schedule of Shares (Details)        HTML    146K  
63: R102        Share-based payments - Stock options (Narrative)    HTML     54K 
                (Details)                                                        
46: R103        Share-based payments - Disclosure of Information    HTML     72K 
                Concerning Outstanding Stock Options (Details)                   
102: R104        Share-based payments - Disclosure of Range of       HTML     94K  
                Exercise Prices, Number of Options and Weighted                  
                Average Remaining Contractual Life (Details)                     
160: R105        Share-based payments - Disclosure of Weighted       HTML     58K  
                Average Assumptions Used in the Calculation of                   
                Fair Value of Stock Options (Details)                            
64: R106        Share-based payments - Performance share units      HTML     48K 
                (Narrative) (Details)                                            
47: R107        Share-based payments - Disclosure of Information    HTML     55K 
                Concerning PSUs (Details)                                        
106: R108        Share-based payments - Share purchase plan          HTML     44K  
                (Narrative) (Details)                                            
156: R109        Share-based payments - Deferred share unit plan     HTML     45K  
                (Narrative) (Details)                                            
133: R110        Share-based payments - Disclosure of Share-Based    HTML     53K  
                Payment Expense (Details)                                        
117: R111        Earnings per share (Details)                        HTML     66K  
18: R112        Remaining performance obligations (Details)         HTML     45K 
76: R113        Cost of services, selling and administrative        HTML     59K 
                (Details)                                                        
132: R114        Amortization and depreciation (Details)             HTML     68K  
115: R115        Net finance costs (Details)                         HTML     53K  
17: R116        Investments in subsidiaries - Narrative (Details)   HTML     89K 
75: R117        Investments in subsidiaries - Assets Acquired and   HTML     96K 
                Liabilities Assumed (Details)                                    
134: R118        Supplementary cash flow information - Non-cash      HTML     68K  
                Working Capital (Details)                                        
113: R119        Supplementary cash flow information - Non-cash      HTML     53K  
                Operating and Investing Activities (Details)                     
53: R120        Supplementary cash flow information - Financing     HTML     76K 
                Activities (Details)                                             
69: R121        Supplementary cash flow information - Interest and  HTML     48K 
                Income Taxes Paid and Received (Details)                         
154: R122        Segmented information - Narrative (Details)         HTML     57K  
98: R123        Segmented information - Disclosure of Operating     HTML     88K 
                Segment Information (Details)                                    
51: R124        Segmented information - Disclosure of Geographic    HTML     92K 
                Information (Details)                                            
68: R125        Segmented information - Disclosure of PP&E,         HTML     62K 
                contract costs and intangible assets (Details)                   
153: R126        Segmented information - Disclosure of Revenue       HTML     52K  
                Information Based on Services Provided by the                    
                Company (Details)                                                
97: R127        Related party transactions (Details)                HTML     45K 
49: R128        Commitments, contingencies and guarantees -         HTML     54K 
                Commitments Narrative (Details)                                  
70: R129        Commitments, contingencies and guarantees -         HTML     52K 
                Disclosure of Future Minimum Lease Payments Under                
                Non-Cancellable Operating Leases (Details)                       
79: R130        Commitments, contingencies and guarantees -         HTML     49K 
                Disclosure of Minimum Payments Under Long-Term                   
                Service and Other Agreements (Details)                           
21: R131        Commitments, contingencies and guarantees -         HTML     51K 
                Guarantees Narrative (Details)                                   
108: R132        Financial instruments - Financial Liabilities       HTML     63K  
                Included in Long-Term Debt (Details)                             
127: R133        Financial instruments - Fair Value of Financial     HTML    100K  
                Assets and Liabilities (Details)                                 
81: R134        Financial instruments - Interest Rate Risk          HTML     57K 
                (Details)                                                        
24: R135        Financial instruments - Narrative (Details)         HTML     73K 
111: R136        Financial instruments - Currency Risk (Details)     HTML    109K  
130: R137        Financial instruments - Notional, Average Contract  HTML    123K  
                Rates and Maturities (Details)                                   
77: R138        Financial instruments - Sensitivity Analysis        HTML     55K 
                (Details)                                                        
25: R139        Financial instruments - Contractual Maturities      HTML    156K 
                (Details)                                                        
58: R140        Financial instruments - Credit Risk (Details)       HTML     63K 
35: R141        Capital risk management (Details)                   HTML     42K 
107: XML         IDEA XML File -- Filing Summary                      XML    298K  
120: EXCEL       IDEA Workbook of Financial Reports                  XLSX    210K  
11: EX-101.INS  XBRL Instance -- gib-20190930                        XML   7.92M 
13: EX-101.CAL  XBRL Calculations -- gib-20190930_cal                XML    439K 
14: EX-101.DEF  XBRL Definitions -- gib-20190930_def                 XML   1.51M 
15: EX-101.LAB  XBRL Labels -- gib-20190930_lab                      XML   3.23M 
16: EX-101.PRE  XBRL Presentations -- gib-20190930_pre               XML   2.07M 
12: EX-101.SCH  XBRL Schema -- gib-20190930                          XSD    427K 
124: ZIP         XBRL Zipped Folder -- 0001193125-19-319303-xbrl      Zip    578K  


‘EX-101.SCH’   —   XBRL Schema — gib-20190930


This Exhibit is an XBRL XML File.


                                                                                                                                                                                
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<link:roleType id="AccountsReceivable" roleURI="http://www.cgi.com/role/AccountsReceivable">
<link:definition> 2110100 - Disclosure - Accounts receivable </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
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<link:roleType id="AccountsReceivableDetails" roleURI="http://www.cgi.com/role/AccountsReceivableDetails">
<link:definition> 2410402 - Disclosure - Accounts receivable (Details) </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
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<link:roleType id="AccountsReceivableTables" roleURI="http://www.cgi.com/role/AccountsReceivableTables">
<link:definition> 2310301 - Disclosure - Accounts receivable (Tables) </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
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<link:definition> 2149100 - Disclosure - Accumulated other comprehensive income </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
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<link:roleType id="AccumulatedOtherComprehensiveIncomeDetails" roleURI="http://www.cgi.com/role/AccumulatedOtherComprehensiveIncomeDetails">
<link:definition> 2449402 - Disclosure - Accumulated other comprehensive income (Details) </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
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<link:roleType id="AccumulatedOtherComprehensiveIncomeTables" roleURI="http://www.cgi.com/role/AccumulatedOtherComprehensiveIncomeTables">
<link:definition> 2349301 - Disclosure - Accumulated other comprehensive income (Tables) </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
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<link:definition> 2170100 - Disclosure - Amortization and depreciation </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
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<link:definition> 2470402 - Disclosure - Amortization and depreciation (Details) </link:definition>
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<link:definition> 2370301 - Disclosure - Amortization and depreciation (Tables) </link:definition>
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<link:definition> 2195100 - Disclosure - Capital risk management </link:definition>
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<link:definition> 2495401 - Disclosure - Capital risk management (Details) </link:definition>
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<link:definition> 2152100 - Disclosure - Capital stock </link:definition>
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<link:definition> 2452402 - Disclosure - Capital stock - Narrative (Details) </link:definition>
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<link:definition> 2452403 - Disclosure - Capital stock - Schedule of Shares (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
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<link:definition> 2352301 - Disclosure - Capital stock (Tables) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
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<link:definition> 2191100 - Disclosure - Commitments, contingencies and guarantees </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
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<link:definition> 2491402 - Disclosure - Commitments, contingencies and guarantees - Commitments Narrative (Details) </link:definition>
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<link:definition> 2491403 - Disclosure - Commitments, contingencies and guarantees - Disclosure of Future Minimum Lease Payments Under Non-Cancellable Operating Leases (Details) </link:definition>
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<link:definition> 2491404 - Disclosure - Commitments, contingencies and guarantees - Disclosure of Minimum Payments Under Long-Term Service and Other Agreements (Details) </link:definition>
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<link:definition> 1003000 - Statement - Consolidated Balance Sheets </link:definition>
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<link:definition> 1005000 - Statement - Consolidated Statements of Cash Flows </link:definition>
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<link:definition> 1002000 - Statement - Consolidated Statements of Comprehensive Income </link:definition>
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<link:definition> 1001000 - Statement - Consolidated Statements of Earnings </link:definition>
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<link:definition> 2119100 - Disclosure - Contract costs </link:definition>
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<link:definition> 2419402 - Disclosure - Contract costs (Details) </link:definition>
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<link:definition> 2319301 - Disclosure - Contract costs (Tables) </link:definition>
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<link:definition> 2167100 - Disclosure - Cost of services, selling and administrative </link:definition>
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<link:definition> 2467402 - Disclosure - Cost of services, selling and administrative (Details) </link:definition>
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<link:roleType id="CostOfServicesSellingAndAdministrativeTables" roleURI="http://www.cgi.com/role/CostOfServicesSellingAndAdministrativeTables">
<link:definition> 2367301 - Disclosure - Cost of services, selling and administrative (Tables) </link:definition>
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<link:definition> 2101100 - Disclosure - Description of business </link:definition>
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<link:definition> 2158100 - Disclosure - Earnings per share </link:definition>
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<link:definition> 2458402 - Disclosure - Earnings per share (Details) </link:definition>
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<link:roleType id="EarningsPerShareTables" roleURI="http://www.cgi.com/role/EarningsPerShareTables">
<link:definition> 2358301 - Disclosure - Earnings per share (Tables) </link:definition>
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<link:definition> 2146100 - Disclosure - Employee benefits </link:definition>
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<link:definition> 2446408 - Disclosure - Employee benefits - Actuarial Assumptions (Details) </link:definition>
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<link:definition> 2446403 - Disclosure - Employee benefits - Amounts for Benefit Plans Included in Balance Sheet (Details) </link:definition>
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<link:definition> 2446403 - Disclosure - Employee benefits - Amounts for Benefit Plans Included in Balance Sheet (Details) </link:definition>
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<link:definition> 2446409 - Disclosure - Employee benefits - Change in Principal Actuarial Assumptions (Details) </link:definition>
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<link:definition> 2446404 - Disclosure - Employee benefits - Defined Benefit Obligations (Details) </link:definition>
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<link:definition> 2446407 - Disclosure - Employee benefits - Employee Benefit Expenses (Details) </link:definition>
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<link:definition> 2446406 - Disclosure - Employee benefits - Fair Value of Plan Assets (Details) </link:definition>
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<link:definition> 2446402 - Disclosure - Employee benefits - Narrative (Details) </link:definition>
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<link:definition> 2446405 - Disclosure - Employee benefits - Plan Assets and Reimbursement Rights (Details) </link:definition>
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<link:definition> 2446410 - Disclosure - Employee benefits - Weighted Average Duration of Benefit Obligations (Details) </link:definition>
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<link:definition> 2494410 - Disclosure - Financial instruments - Credit Risk (Details) </link:definition>
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<link:definition> 2494403 - Disclosure - Financial instruments - Fair Value of Financial Assets and Liabilities (Details) </link:definition>
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<link:definition> 2494402 - Disclosure - Financial instruments - Financial Liabilities Included in Long-Term Debt (Details) </link:definition>
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<link:definition> 2494404 - Disclosure - Financial instruments - Interest Rate Risk (Details) </link:definition>
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<link:definition> 2494407 - Disclosure - Financial instruments - Notional, Average Contract Rates and Maturities (Details) </link:definition>
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<link:definition> 2494408 - Disclosure - Financial instruments - Sensitivity Analysis (Details) </link:definition>
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<link:definition> 2114100 - Disclosure - Funds held for clients </link:definition>
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<link:definition> 2414402 - Disclosure - Funds held for clients - (Details) </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
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<link:definition> 2143100 - Disclosure - Income taxes </link:definition>
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<link:definition> 2443404 - Disclosure - Income taxes - Disclosure of the Continuity of Deferred Tax Balances (Details) </link:definition>
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<link:definition> 2443405 - Disclosure - Income taxes - Disclosure of Deferred Tax Balances (Details) </link:definition>
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<link:definition> 2443402 - Disclosure - Income taxes - Disclosure of Income Tax Expense (Details) </link:definition>
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<link:definition> 2443406 - Disclosure - Income taxes - Narrative (Details) </link:definition>
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<link:definition> 2443403 - Disclosure - Income taxes - Reconciliation of Effective Income Tax Rate from the Combined Federal and Provincial Canadian Statutory Tax Rate (Details) </link:definition>
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<link:definition> 2343301 - Disclosure - Income taxes (Tables) </link:definition>
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<link:definition> 2122100 - Disclosure - Intangible assets </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:definition> 2422402 - Disclosure - Intangible assets (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:roleType id="IntangibleAssetsTables" roleURI="http://www.cgi.com/role/IntangibleAssetsTables">
<link:definition> 2322301 - Disclosure - Intangible assets (Tables) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:roleType id="InvestmentsInSubsidiaries" roleURI="http://www.cgi.com/role/InvestmentsInSubsidiaries">
<link:definition> 2179100 - Disclosure - Investments in subsidiaries </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="InvestmentsInSubsidiariesAssetsAcquiredAndLiabilitiesAssumedDetails" roleURI="http://www.cgi.com/role/InvestmentsInSubsidiariesAssetsAcquiredAndLiabilitiesAssumedDetails">
<link:definition> 2479403 - Disclosure - Investments in subsidiaries - Assets Acquired and Liabilities Assumed (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="InvestmentsInSubsidiariesNarrativeDetails" roleURI="http://www.cgi.com/role/InvestmentsInSubsidiariesNarrativeDetails">
<link:definition> 2479402 - Disclosure - Investments in subsidiaries - Narrative (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="InvestmentsInSubsidiariesTables" roleURI="http://www.cgi.com/role/InvestmentsInSubsidiariesTables">
<link:definition> 2379301 - Disclosure - Investments in subsidiaries (Tables) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="LongTermDebt" roleURI="http://www.cgi.com/role/LongTermDebt">
<link:definition> 2137100 - Disclosure - Long-term debt </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="LongTermDebtDisclosureOfLongTermDebtDetails" roleURI="http://www.cgi.com/role/LongTermDebtDisclosureOfLongTermDebtDetails">
<link:definition> 2437402 - Disclosure - Long-term debt - Disclosure of Long-Term Debt (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="LongTermDebtDisclosureOfMinimumFinanceLeasePaymentsDetails" roleURI="http://www.cgi.com/role/LongTermDebtDisclosureOfMinimumFinanceLeasePaymentsDetails">
<link:definition> 2437404 - Disclosure - Long-term debt - Disclosure of Minimum Finance Lease Payments (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="LongTermDebtTables" roleURI="http://www.cgi.com/role/LongTermDebtTables">
<link:definition> 2337301 - Disclosure - Long-term debt (Tables) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="LongTermFinancialAssets" roleURI="http://www.cgi.com/role/LongTermFinancialAssets">
<link:definition> 2128100 - Disclosure - Long-term financial assets </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="LongTermFinancialAssetsDetails" roleURI="http://www.cgi.com/role/LongTermFinancialAssetsDetails">
<link:definition> 2428402 - Disclosure - Long-term financial assets (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="LongTermFinancialAssetsTables" roleURI="http://www.cgi.com/role/LongTermFinancialAssetsTables">
<link:definition> 2328301 - Disclosure - Long-term financial assets (Tables) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="NetFinanceCosts" roleURI="http://www.cgi.com/role/NetFinanceCosts">
<link:definition> 2176100 - Disclosure - Net finance costs </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="NetFinanceCostsDetails" roleURI="http://www.cgi.com/role/NetFinanceCostsDetails">
<link:definition> 2476402 - Disclosure - Net finance costs (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="NetFinanceCostsTables" roleURI="http://www.cgi.com/role/NetFinanceCostsTables">
<link:definition> 2376301 - Disclosure - Net finance costs (Tables) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="OtherLongTermAssets" roleURI="http://www.cgi.com/role/OtherLongTermAssets">
<link:definition> 2125100 - Disclosure - Other long-term assets </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="OtherLongTermAssetsDetails" roleURI="http://www.cgi.com/role/OtherLongTermAssetsDetails">
<link:definition> 2425402 - Disclosure - Other long-term assets (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="OtherLongTermAssetsTables" roleURI="http://www.cgi.com/role/OtherLongTermAssetsTables">
<link:definition> 2325301 - Disclosure - Other long-term assets (Tables) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="OtherLongTermLiabilities" roleURI="http://www.cgi.com/role/OtherLongTermLiabilities">
<link:definition> 2140100 - Disclosure - Other long-term liabilities </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="OtherLongTermLiabilitiesDetails" roleURI="http://www.cgi.com/role/OtherLongTermLiabilitiesDetails">
<link:definition> 2440402 - Disclosure - Other long-term liabilities (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="OtherLongTermLiabilitiesTables" roleURI="http://www.cgi.com/role/OtherLongTermLiabilitiesTables">
<link:definition> 2340301 - Disclosure - Other long-term liabilities (Tables) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="PropertyPlantAndEquipment" roleURI="http://www.cgi.com/role/PropertyPlantAndEquipment">
<link:definition> 2116100 - Disclosure - Property, plant and equipment </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="PropertyPlantAndEquipmentAssetsAcquiredUnderFinanceLeasesDetails" roleURI="http://www.cgi.com/role/PropertyPlantAndEquipmentAssetsAcquiredUnderFinanceLeasesDetails">
<link:definition> 2416403 - Disclosure - Property, plant and equipment - Assets acquired under finance leases (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="PropertyPlantAndEquipmentScheduleOfPropertyPlantAndEquipmentDetails" roleURI="http://www.cgi.com/role/PropertyPlantAndEquipmentScheduleOfPropertyPlantAndEquipmentDetails">
<link:definition> 2416402 - Disclosure - Property, plant and equipment - Schedule of property, plant and equipment (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="PropertyPlantAndEquipmentTables" roleURI="http://www.cgi.com/role/PropertyPlantAndEquipmentTables">
<link:definition> 2316301 - Disclosure - Property, plant and equipment (Tables) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="Provisions" roleURI="http://www.cgi.com/role/Provisions">
<link:definition> 2134100 - Disclosure - Provisions </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="ProvisionsDetails" roleURI="http://www.cgi.com/role/ProvisionsDetails">
<link:definition> 2434402 - Disclosure - Provisions (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="ProvisionsNarrativeDetails" roleURI="http://www.cgi.com/role/ProvisionsNarrativeDetails">
<link:definition> 2434403 - Disclosure - Provisions - Narrative (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="ProvisionsTables" roleURI="http://www.cgi.com/role/ProvisionsTables">
<link:definition> 2334301 - Disclosure - Provisions (Tables) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="RelatedPartyTransactions" roleURI="http://www.cgi.com/role/RelatedPartyTransactions">
<link:definition> 2188100 - Disclosure - Related party transactions </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="RelatedPartyTransactionsDetails" roleURI="http://www.cgi.com/role/RelatedPartyTransactionsDetails">
<link:definition> 2488402 - Disclosure - Related party transactions (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="RelatedPartyTransactionsTables" roleURI="http://www.cgi.com/role/RelatedPartyTransactionsTables">
<link:definition> 2388301 - Disclosure - Related party transactions (Tables) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="RemainingPerformanceObligationsDetails" roleURI="http://www.cgi.com/role/RemainingPerformanceObligationsDetails">
<link:definition> 2464401 - Disclosure - Remaining performance obligations (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="RemainingPerformanceObligationsNotes" roleURI="http://www.cgi.com/role/RemainingPerformanceObligationsNotes">
<link:definition> 2164100 - Disclosure - Remaining performance obligations (Notes) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="RestructuringCosts" roleURI="http://www.cgi.com/role/RestructuringCosts">
<link:definition> 2173100 - Disclosure - Restructuring costs </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="SegmentedInformation" roleURI="http://www.cgi.com/role/SegmentedInformation">
<link:definition> 2185100 - Disclosure - Segmented information </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="SegmentedInformationDisclosureOfGeographicInformationDetails" roleURI="http://www.cgi.com/role/SegmentedInformationDisclosureOfGeographicInformationDetails">
<link:definition> 2485404 - Disclosure - Segmented information - Disclosure of Geographic Information (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="SegmentedInformationDisclosureOfOperatingSegmentInformationDetails" roleURI="http://www.cgi.com/role/SegmentedInformationDisclosureOfOperatingSegmentInformationDetails">
<link:definition> 2485403 - Disclosure - Segmented information - Disclosure of Operating Segment Information (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="SegmentedInformationDisclosureOfPpeContractCostsAndIntangibleAssetsDetails" roleURI="http://www.cgi.com/role/SegmentedInformationDisclosureOfPpeContractCostsAndIntangibleAssetsDetails">
<link:definition> 2485405 - Disclosure - Segmented information - Disclosure of PP&E, contract costs and intangible assets (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="SegmentedInformationDisclosureOfRevenueInformationBasedOnServicesProvidedByCompanyDetails" roleURI="http://www.cgi.com/role/SegmentedInformationDisclosureOfRevenueInformationBasedOnServicesProvidedByCompanyDetails">
<link:definition> 2485406 - Disclosure - Segmented information - Disclosure of Revenue Information Based on Services Provided by the Company (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="SegmentedInformationNarrativeDetails" roleURI="http://www.cgi.com/role/SegmentedInformationNarrativeDetails">
<link:definition> 2485402 - Disclosure - Segmented information - Narrative (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="SegmentedInformationTables" roleURI="http://www.cgi.com/role/SegmentedInformationTables">
<link:definition> 2385301 - Disclosure - Segmented information (Tables) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="ShareBasedPayments" roleURI="http://www.cgi.com/role/ShareBasedPayments">
<link:definition> 2155100 - Disclosure - Share-based payments </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="ShareBasedPaymentsDeferredShareUnitPlanNarrativeDetails" roleURI="http://www.cgi.com/role/ShareBasedPaymentsDeferredShareUnitPlanNarrativeDetails">
<link:definition> 2455409 - Disclosure - Share-based payments - Deferred share unit plan (Narrative) (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="ShareBasedPaymentsDisclosureOfInformationConcerningOutstandingStockOptionsDetails" roleURI="http://www.cgi.com/role/ShareBasedPaymentsDisclosureOfInformationConcerningOutstandingStockOptionsDetails">
<link:definition> 2455403 - Disclosure - Share-based payments - Disclosure of Information Concerning Outstanding Stock Options (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="ShareBasedPaymentsDisclosureOfInformationConcerningPsusDetails" roleURI="http://www.cgi.com/role/ShareBasedPaymentsDisclosureOfInformationConcerningPsusDetails">
<link:definition> 2455407 - Disclosure - Share-based payments - Disclosure of Information Concerning PSUs (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="ShareBasedPaymentsDisclosureOfRangeOfExercisePricesNumberOfOptionsAndWeightedAverageRemainingContractualLifeDetails" roleURI="http://www.cgi.com/role/ShareBasedPaymentsDisclosureOfRangeOfExercisePricesNumberOfOptionsAndWeightedAverageRemainingContractualLifeDetails">
<link:definition> 2455404 - Disclosure - Share-based payments - Disclosure of Range of Exercise Prices, Number of Options and Weighted Average Remaining Contractual Life (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="ShareBasedPaymentsDisclosureOfShareBasedPaymentExpenseDetails" roleURI="http://www.cgi.com/role/ShareBasedPaymentsDisclosureOfShareBasedPaymentExpenseDetails">
<link:definition> 2455410 - Disclosure - Share-based payments - Disclosure of Share-Based Payment Expense (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="ShareBasedPaymentsDisclosureOfWeightedAverageAssumptionsUsedInCalculationOfFairValueOfStockOptionsDetails" roleURI="http://www.cgi.com/role/ShareBasedPaymentsDisclosureOfWeightedAverageAssumptionsUsedInCalculationOfFairValueOfStockOptionsDetails">
<link:definition> 2455405 - Disclosure - Share-based payments - Disclosure of Weighted Average Assumptions Used in the Calculation of Fair Value of Stock Options (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="ShareBasedPaymentsPerformanceShareUnitsNarrativeDetails" roleURI="http://www.cgi.com/role/ShareBasedPaymentsPerformanceShareUnitsNarrativeDetails">
<link:definition> 2455406 - Disclosure - Share-based payments - Performance share units (Narrative) (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
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<link:definition> 2455408 - Disclosure - Share-based payments - Share purchase plan (Narrative) (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="ShareBasedPaymentsStockOptionsNarrativeDetails" roleURI="http://www.cgi.com/role/ShareBasedPaymentsStockOptionsNarrativeDetails">
<link:definition> 2455402 - Disclosure - Share-based payments - Stock options (Narrative) (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="ShareBasedPaymentsTables" roleURI="http://www.cgi.com/role/ShareBasedPaymentsTables">
<link:definition> 2355301 - Disclosure - Share-based payments (Tables) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="SummaryOfSignificantAccountingPolicies" roleURI="http://www.cgi.com/role/SummaryOfSignificantAccountingPolicies">
<link:definition> 2107100 - Disclosure - Summary of significant accounting policies </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="SummaryOfSignificantAccountingPoliciesDisclosureOfAdoptionOfAccountingStandardsDetails" roleURI="http://www.cgi.com/role/SummaryOfSignificantAccountingPoliciesDisclosureOfAdoptionOfAccountingStandardsDetails">
<link:definition> 2407405 - Disclosure - Summary of significant accounting policies - Disclosure of Adoption of Accounting Standards (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="SummaryOfSignificantAccountingPoliciesDisclosureOfEstimatedUsefulLivesOfIntangibleAssetsDetails" roleURI="http://www.cgi.com/role/SummaryOfSignificantAccountingPoliciesDisclosureOfEstimatedUsefulLivesOfIntangibleAssetsDetails">
<link:definition> 2407404 - Disclosure - Summary of significant accounting policies - Disclosure of Estimated Useful Lives of Intangible Assets (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="SummaryOfSignificantAccountingPoliciesDisclosureOfEstimatedUsefulLivesOfPropertyPlantAndEquipmentDetails" roleURI="http://www.cgi.com/role/SummaryOfSignificantAccountingPoliciesDisclosureOfEstimatedUsefulLivesOfPropertyPlantAndEquipmentDetails">
<link:definition> 2407403 - Disclosure - Summary of significant accounting policies - Disclosure of Estimated Useful Lives of Property, Plant and Equipment (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:roleType id="SummaryOfSignificantAccountingPoliciesDisclosureOfLeaseAdoptionDetails" roleURI="http://www.cgi.com/role/SummaryOfSignificantAccountingPoliciesDisclosureOfLeaseAdoptionDetails">
<link:definition> 2407406 - Disclosure - Summary of significant accounting policies - Disclosure of lease adoption (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="SummaryOfSignificantAccountingPoliciesPolicies" roleURI="http://www.cgi.com/role/SummaryOfSignificantAccountingPoliciesPolicies">
<link:definition> 2207201 - Disclosure - Summary of significant accounting policies (Policies) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="SummaryOfSignificantAccountingPoliciesTables" roleURI="http://www.cgi.com/role/SummaryOfSignificantAccountingPoliciesTables">
<link:definition> 2307302 - Disclosure - Summary of significant accounting policies (Tables) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType id="SupplementaryCashFlowInformation" roleURI="http://www.cgi.com/role/SupplementaryCashFlowInformation">
<link:definition> 2182100 - Disclosure - Supplementary cash flow information </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
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<xsd:element id="gib_DisclosureOfDetailedInformationOnCostOfSalesSellingGeneralAndAdministrativeExpenseExplanatoryTableTextBlock" name="DisclosureOfDetailedInformationOnCostOfSalesSellingGeneralAndAdministrativeExpenseExplanatoryTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration"/>
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<xsd:element id="gib_DisclosureOfDetailedInformationOnTradeAndOtherReceivablesExplanatoryTableTextBlock" name="DisclosureOfDetailedInformationOnTradeAndOtherReceivablesExplanatoryTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration"/>
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<xsd:element id="gib_DisclosureOfNetChangeInNonCashWorkingCapitalExplanatoryTableTextBlock" name="DisclosureOfNetChangeInNonCashWorkingCapitalExplanatoryTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration"/>
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<xsd:element id="gib_DisclosureOfReconciliationOfAverageEffectiveTaxRateAndApplicableTaxRateTableTextBlock" name="DisclosureOfReconciliationOfAverageEffectiveTaxRateAndApplicableTaxRateTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration"/>
<xsd:element id="gib_DisclosureoffinancialassetsandliabilitiesatdateofinitialapplicationofIFRS16TableTextBlock" name="DisclosureoffinancialassetsandliabilitiesatdateofinitialapplicationofIFRS16TableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration"/>
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<xsd:element id="gib_HardwareSoftwareAndDataCenterRelatedExpense" name="HardwareSoftwareAndDataCenterRelatedExpense" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
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<xsd:element id="gib_IdentifiableAssetsAcquiredLiabilitiesAssumedExcludingCashAndCashEquivalents" name="IdentifiableAssetsAcquiredLiabilitiesAssumedExcludingCashAndCashEquivalents" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant"/>
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<xsd:element id="gib_IncomeTaxExpenseBenefitAdjustmentsForRevaluationOfDeferredTaxAssetsAndLiabilities" name="IncomeTaxExpenseBenefitAdjustmentsForRevaluationOfDeferredTaxAssetsAndLiabilities" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
<xsd:element id="gib_IncomeTaxExpenseIncomeAdjustmentsForRepatriationOfForeignEarnings" name="IncomeTaxExpenseIncomeAdjustmentsForRepatriationOfForeignEarnings" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
<xsd:element id="gib_IncomeTaxExpenseRecoveryRelatingToAvailableForSaleFinancialAssetsIncludedInAccumulatedOtherComprehensiveIncome" name="IncomeTaxExpenseRecoveryRelatingToAvailableForSaleFinancialAssetsIncludedInAccumulatedOtherComprehensiveIncome" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant"/>
<xsd:element id="gib_IncomeTaxExpenseRecoveryRelatingToCashFlowHedgesIncludedInAccumulatedOtherComprehensiveIncome" name="IncomeTaxExpenseRecoveryRelatingToCashFlowHedgesIncludedInAccumulatedOtherComprehensiveIncome" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant"/>
<xsd:element id="gib_IncomeTaxExpenseRecoveryRelatingToDeferredCostOfHedgingIncludedInAccumulatedOtherComprehensiveIncome" name="IncomeTaxExpenseRecoveryRelatingToDeferredCostOfHedgingIncludedInAccumulatedOtherComprehensiveIncome" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant"/>
<xsd:element id="gib_IncomeTaxExpenseRecoveryRelatingToExchangeDifferencesOnTranslationIncludedInAccumulatedOtherComprehensiveIncome" name="IncomeTaxExpenseRecoveryRelatingToExchangeDifferencesOnTranslationIncludedInAccumulatedOtherComprehensiveIncome" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant"/>
<xsd:element id="gib_IncomeTaxExpenseRecoveryRelatingToHedgesOfNetInvestmentsInForeignOperationsIncludedInAccumulatedOtherComprehensiveIncome" name="IncomeTaxExpenseRecoveryRelatingToHedgesOfNetInvestmentsInForeignOperationsIncludedInAccumulatedOtherComprehensiveIncome" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant"/>
<xsd:element id="gib_IncomeTaxExpenseRecoveryRelatingToRemeasurementsOfDefinedBenefitPlansIncludedInAccumulatedOtherComprehensiveIncome" name="IncomeTaxExpenseRecoveryRelatingToRemeasurementsOfDefinedBenefitPlansIncludedInAccumulatedOtherComprehensiveIncome" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant"/>
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<xsd:element id="gib_IncreaseInExistingProvisionsTerminationOfEmploymentCosts" name="IncreaseInExistingProvisionsTerminationOfEmploymentCosts" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
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<xsd:element id="gib_MeasurementPeriodAdjustmentsRecognisedForGoodwill" name="MeasurementPeriodAdjustmentsRecognisedForGoodwill" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
<xsd:element id="gib_MeasurementPeriodAdjustmentsRecognisedForIntangibleAssetsOtherThanGoodwill" name="MeasurementPeriodAdjustmentsRecognisedForIntangibleAssetsOtherThanGoodwill" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
<xsd:element id="gib_MinimumFinanceLeasePaymentsPayableInterestComponent" name="MinimumFinanceLeasePaymentsPayableInterestComponent" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant"/>
<xsd:element id="gib_MinimumFinanceLeasePaymentsPayablePrincipalComponent" name="MinimumFinanceLeasePaymentsPayablePrincipalComponent" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant"/>
<xsd:element id="gib_MiscellaneousOtherNonCurrentLiabilities" name="MiscellaneousOtherNonCurrentLiabilities" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant"/>
<xsd:element id="gib_MiscellaneousOtherNonCurrentNonFinancialAssets" name="MiscellaneousOtherNonCurrentNonFinancialAssets" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant"/>
<xsd:element id="gib_NetInterestAndAdministrativeExpenseIncomeNetDefinedBenefitObligation" name="NetInterestAndAdministrativeExpenseIncomeNetDefinedBenefitObligation" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="gib_NoExpiryDateMember" name="NoExpiryDateMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element id="gib_NonCurrentContractAssetsIncentives" name="NonCurrentContractAssetsIncentives" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant"/>
<xsd:element id="gib_NonCurrentContractAssetsTransitionCosts" name="NonCurrentContractAssetsTransitionCosts" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant"/>
<xsd:element id="gib_NoncashAdjustmentsForAccountsPayableAndAccruedLiabilities" name="NoncashAdjustmentsForAccountsPayableAndAccruedLiabilities" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
<xsd:element id="gib_NoncashAdjustmentsForProvisions" name="NoncashAdjustmentsForProvisions" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="gib_NoncashChangesArisingFromFinancingActivitiesAbstract" name="NoncashChangesArisingFromFinancingActivitiesAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
<xsd:element id="gib_NoncashInvestingActivities" name="NoncashInvestingActivities" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
<xsd:element id="gib_NoncashPurchaseOfPropertyPlantandEquipment" name="NoncashPurchaseOfPropertyPlantandEquipment" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="gib_NoncurrentBondsFundsHeldForClientsMember" name="NoncurrentBondsFundsHeldForClientsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="gib_NoncurrentDerivativesMember" name="NoncurrentDerivativesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element id="gib_NoncurrentInvestments" name="NoncurrentInvestments" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant"/>
<xsd:element abstract="true" id="gib_NoncurrentInvestmentsMember" name="NoncurrentInvestmentsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="gib_NormalCourseIssuerBidCaisseDeDepotMember" name="NormalCourseIssuerBidCaisseDeDepotMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="gib_NormalCourseIssuerBidMember" name="NormalCourseIssuerBidMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="gib_NorthernEuropeSegmentMember" name="NorthernEuropeSegmentMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element id="gib_NumberOfAnnualRepaymentsOnBorrowings" name="NumberOfAnnualRepaymentsOnBorrowings" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration"/>
<xsd:element id="gib_NumberOfDefinedBenefitPlans" name="NumberOfDefinedBenefitPlans" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration"/>
<xsd:element id="gib_NumberOfOperatingSegments1" name="NumberOfOperatingSegments1" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration"/>
<xsd:element id="gib_NumberOfOperatingSegmentsBelowThreshold" name="NumberOfOperatingSegmentsBelowThreshold" nillable="true" substitutionGroup="xbrli:item" type="xbrli:decimalItemType" xbrli:periodType="instant"/>
<xsd:element id="gib_NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangementHeldInTrust" name="NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangementHeldInTrust" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="instant"/>
<xsd:element id="gib_NumberOfRemainingAnnualRepaymentsOnBorrowings" name="NumberOfRemainingAnnualRepaymentsOnBorrowings" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration"/>
<xsd:element id="gib_NumberOfSharesAuthorisedForPurchaseAndCancellation" name="NumberOfSharesAuthorisedForPurchaseAndCancellation" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration"/>
<xsd:element id="gib_NumberOfSharesConvertedThroughConversionOfConvertibleInstruments" name="NumberOfSharesConvertedThroughConversionOfConvertibleInstruments" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration"/>
<xsd:element id="gib_NumberOfSharesPurchased" name="NumberOfSharesPurchased" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration"/>
<xsd:element id="gib_NumberOfSharesPurchasedHeldInTrust" name="NumberOfSharesPurchasedHeldInTrust" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration"/>
<xsd:element id="gib_NumberOfSharesSoldOrIssued" name="NumberOfSharesSoldOrIssued" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration"/>
<xsd:element id="gib_NumberOfSharesSoldOrIssuedPreviouslyHeldInTrust" name="NumberOfSharesSoldOrIssuedPreviouslyHeldInTrust" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration"/>
<xsd:element id="gib_NumberOfSharesToBeReceivedForEachInstrumentGrantedInShareBasedPaymentArrangement" name="NumberOfSharesToBeReceivedForEachInstrumentGrantedInShareBasedPaymentArrangement" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration"/>
<xsd:element id="gib_NumberOfTranchesOfRepaymentsOfBorrowings" name="NumberOfTranchesOfRepaymentsOfBorrowings" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration"/>
<xsd:element id="gib_NumberOfTreasurySharesPurchasedAndCancelled" name="NumberOfTreasurySharesPurchasedAndCancelled" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration"/>
<xsd:element id="gib_NumberOfTreasurySharesPurchasedAndNotCancelled" name="NumberOfTreasurySharesPurchasedAndNotCancelled" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration"/>
<xsd:element id="gib_NumberOfVotes" name="NumberOfVotes" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="gib_ObligationsBlendedMonthlyInstallmentsMaturingAtVariousDatesUntil2024Member" name="ObligationsBlendedMonthlyInstallmentsMaturingAtVariousDatesUntil2024Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="gib_ObligationsOtherThanFinanceLeasesMember" name="ObligationsOtherThanFinanceLeasesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element id="gib_OfferToAcquireOrRedeemEntitysShares" name="OfferToAcquireOrRedeemEntitysShares" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
<xsd:element id="gib_OnerousLeaseExpense" name="OnerousLeaseExpense" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="gib_OperatingsegmentsAbstract" name="OperatingsegmentsAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
<xsd:element id="gib_OtherAdjustmentsForNonCashItemsAdditionsThroughBusinessAcquisitions" name="OtherAdjustmentsForNonCashItemsAdditionsThroughBusinessAcquisitions" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
<xsd:element id="gib_OtherAdjustmentsForNonCashItemsEffectofChangesinForeignExchange" name="OtherAdjustmentsForNonCashItemsEffectofChangesinForeignExchange" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
<xsd:element id="gib_OtherComprehensiveIncomeDeferredCostOfHedging" name="OtherComprehensiveIncomeDeferredCostOfHedging" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant"/>
<xsd:element id="gib_OtherComprehensiveIncomeNetOfTaxDeferredCostOfHedging" name="OtherComprehensiveIncomeNetOfTaxDeferredCostOfHedging" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="gib_OtherCountriesMember" name="OtherCountriesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element id="gib_OtherEquity" name="OtherEquity" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant"/>
<xsd:element abstract="true" id="gib_OtherForeignCurrencyForwardContractsMember" name="OtherForeignCurrencyForwardContractsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element id="gib_OtherIntegrationCostsForTransactionRecognisedSeparatelyFromAcquisitionOfAssetsAndAssumptionOfLiabilitiesInBusinessCombination" name="OtherIntegrationCostsForTransactionRecognisedSeparatelyFromAcquisitionOfAssetsAndAssumptionOfLiabilitiesInBusinessCombination" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="gib_OtherLongTermBorrowingsMember" name="OtherLongTermBorrowingsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="gib_OtherProvisionsContingentLiabilitiesAndContingentAssetsAbstract" name="OtherProvisionsContingentLiabilitiesAndContingentAssetsAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
<xsd:element id="gib_PayRateCurrencyRisk" name="PayRateCurrencyRisk" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant"/>
<xsd:element id="gib_PayRateInterestRiskAdjustmentToInterestRateBasis" name="PayRateInterestRiskAdjustmentToInterestRateBasis" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant"/>
<xsd:element id="gib_PaymentsForSettlementOfDerivativeFinancialInstrumentsClassifiedAsFinancingActivitiesCarryingAmountandAccumulatedAmountAtFairValue" name="PaymentsForSettlementOfDerivativeFinancialInstrumentsClassifiedAsFinancingActivitiesCarryingAmountandAccumulatedAmountAtFairValue" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
<xsd:element id="gib_PaymentsFromEmployerNetDefinedBenefitLiabilityAsset" name="PaymentsFromEmployerNetDefinedBenefitLiabilityAsset" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
<xsd:element id="gib_PaymentsToAcquireOrRedeemEntitysSharesAndCancellation" name="PaymentsToAcquireOrRedeemEntitysSharesAndCancellation" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="gib_PerformanceShareUnitsPSUsMember" name="PerformanceShareUnitsPSUsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element id="gib_PeriodOfReasonablyPossibleDecreaseInActuarialAssumption" name="PeriodOfReasonablyPossibleDecreaseInActuarialAssumption" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration"/>
<xsd:element id="gib_PeriodOfReasonablyPossibleIncreaseInActuarialAssumption" name="PeriodOfReasonablyPossibleIncreaseInActuarialAssumption" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration"/>
<xsd:element id="gib_PrepaidLongTermMaintenanceAgreements" name="PrepaidLongTermMaintenanceAgreements" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant"/>
<xsd:element abstract="true" id="gib_PrivateAgreementFounderAndExecutiveChairmanOfTheBoardMember" name="PrivateAgreementFounderAndExecutiveChairmanOfTheBoardMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element id="gib_ProceedsFromSaleOfBusinessClassifiedAsInvestingActivities" name="ProceedsFromSaleOfBusinessClassifiedAsInvestingActivities" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
<xsd:element id="gib_ProfitLossBeforeAmountsRecognisedSeparatelyInBusinessCombinationExpenseOfRestructuringActivitiesFinanceCostsAndTaxExpenseIncome" name="ProfitLossBeforeAmountsRecognisedSeparatelyInBusinessCombinationExpenseOfRestructuringActivitiesFinanceCostsAndTaxExpenseIncome" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
<xsd:element id="gib_ProfitLossOfAcquireeSinceAcquisitionDateBeforeAcquisitionAndRelatedIntegrationCostsAndIncomeTaxes" name="ProfitLossOfAcquireeSinceAcquisitionDateBeforeAcquisitionAndRelatedIntegrationCostsAndIncomeTaxes" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
<xsd:element id="gib_PropertyCosts" name="PropertyCosts" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="gib_PropertyPlantAndEquipmentContractCostsIntangibleAssetsAndOtherLongTermAssetsRelatedTemporaryDifferenceMember" name="PropertyPlantAndEquipmentContractCostsIntangibleAssetsAndOtherLongTermAssetsRelatedTemporaryDifferenceMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element id="gib_PropertyPlantAndEquipmentNonCurrentContractAssetsAndIntangibleAssetsOtherThanGoodwill" name="PropertyPlantAndEquipmentNonCurrentContractAssetsAndIntangibleAssetsOtherThanGoodwill" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant"/>
<xsd:element abstract="true" id="gib_PropertyPlantAndEquipmentUnderFinanceLeasesMember" name="PropertyPlantAndEquipmentUnderFinanceLeasesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element id="gib_PurchaseAndCancellationOfTreasuryShares" name="PurchaseAndCancellationOfTreasuryShares" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
<xsd:element id="gib_PurchaseOfContractAssetsClassifiedAsInvestingActivities" name="PurchaseOfContractAssetsClassifiedAsInvestingActivities" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
<xsd:element id="gib_PurchaseOfTreasurySharesForCancellation" name="PurchaseOfTreasurySharesForCancellation" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
<xsd:element id="gib_PurchaseOfTreasurySharesNotCancelled" name="PurchaseOfTreasurySharesNotCancelled" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
<xsd:element id="gib_ReallocationToCashGeneratingUnitsGoodwill" name="ReallocationToCashGeneratingUnitsGoodwill" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
<xsd:element id="gib_ReceiveRateCurrencyRisk" name="ReceiveRateCurrencyRisk" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant"/>
<xsd:element id="gib_ReceiveRateCurrencyRiskAdjustmentToInterestRateBasis" name="ReceiveRateCurrencyRiskAdjustmentToInterestRateBasis" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant"/>
<xsd:element id="gib_ReceiveRateinterestRateSwap" name="ReceiveRateinterestRateSwap" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant"/>
<xsd:element id="gib_ReclassificationAdjustmentsOnOtherComprehensiveIncomeLossDeferredCostOfHedging" name="ReclassificationAdjustmentsOnOtherComprehensiveIncomeLossDeferredCostOfHedging" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="gib_RefundableTaxCreditsOnSalariesRelatedTemporaryDifferenceMember" name="RefundableTaxCreditsOnSalariesRelatedTemporaryDifferenceMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="gib_RelatedPartyAbstract" name="RelatedPartyAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
<xsd:element id="gib_RemainingPerformanceObligationsWeightedAveragePeriod" name="RemainingPerformanceObligationsWeightedAveragePeriod" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration"/>
<xsd:element id="gib_RepaymentsOfBorrowingsAssumedInABusinessCombinationClassifiedAsFinancingActivities" name="RepaymentsOfBorrowingsAssumedInABusinessCombinationClassifiedAsFinancingActivities" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="gib_RepaymentsOfBorrowingsTrancheFiveMember" name="RepaymentsOfBorrowingsTrancheFiveMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="gib_RepaymentsOfBorrowingsTrancheFourMember" name="RepaymentsOfBorrowingsTrancheFourMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="gib_RepaymentsOfBorrowingsTrancheOneMember" name="RepaymentsOfBorrowingsTrancheOneMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="gib_RepaymentsOfBorrowingsTrancheThreeMember" name="RepaymentsOfBorrowingsTrancheThreeMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="gib_RepaymentsOfBorrowingsTrancheTwoMember" name="RepaymentsOfBorrowingsTrancheTwoMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element id="gib_ResearchAndDevelopmentAndOtherTaxCredits" name="ResearchAndDevelopmentAndOtherTaxCredits" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="gib_RestructuringAndRelatedActivities1Abstract" name="RestructuringAndRelatedActivities1Abstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
<xsd:element id="gib_RestructuringAndRelatedActivitiesDisclosure1TextBlock" name="RestructuringAndRelatedActivitiesDisclosure1TextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration"/>
<xsd:element id="gib_RetirementBenefitsObligationRecognisedAsOfAcquisitionDate" name="RetirementBenefitsObligationRecognisedAsOfAcquisitionDate" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant"/>
<xsd:element abstract="true" id="gib_RetirementBenefitsObligationsRelatedTemporaryDifferenceMember" name="RetirementBenefitsObligationsRelatedTemporaryDifferenceMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="gib_RevenueFromContractsWithCustomersAbstract" name="RevenueFromContractsWithCustomersAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
<xsd:element id="gib_RevenueIncludingIntersegmentSales" name="RevenueIncludingIntersegmentSales" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="gib_RevolvingCreditFacility1Member" name="RevolvingCreditFacility1Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="gib_SeniorNotesMember" name="SeniorNotesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="gib_SeniorU.S.UnsecuredNotesMember" name="SeniorU.S.UnsecuredNotesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="gib_SeniorUnsecuredNotesMember" name="SeniorUnsecuredNotesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element id="gib_SensitivityAnalysisForTypesOfCurrencyRiskReasonablyPossibleChangeInRiskVariableImpactOnEarnings" name="SensitivityAnalysisForTypesOfCurrencyRiskReasonablyPossibleChangeInRiskVariableImpactOnEarnings" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
<xsd:element id="gib_SensitivityAnalysisForTypesOfCurrencyRiskReasonablyPossibleChangeInRiskVariableImpactOnOtherComprehensiveIncome" name="SensitivityAnalysisForTypesOfCurrencyRiskReasonablyPossibleChangeInRiskVariableImpactOnOtherComprehensiveIncome" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
<xsd:element id="gib_SensitivityAnalysisForTypesOfCurrencyRiskReasonablyPossibleChangeInRiskVariablePercent" name="SensitivityAnalysisForTypesOfCurrencyRiskReasonablyPossibleChangeInRiskVariablePercent" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration"/>
<xsd:element id="gib_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod2" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod2" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration"/>
<xsd:element id="gib_ShareBasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod1" name="ShareBasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod1" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration"/>
<xsd:element id="gib_ShareBasedPaymentArrangementEmployerMatchingContributionPercentOfMatch" name="ShareBasedPaymentArrangementEmployerMatchingContributionPercentOfMatch" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="gib_ShareBasedPaymentArrangementsAbstract" name="ShareBasedPaymentArrangementsAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="gib_ShareCapitalReservesAndOtherEquityInterestAbstract" name="ShareCapitalReservesAndOtherEquityInterestAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="gib_ShareRepurchaseProgram1Axis" name="ShareRepurchaseProgram1Axis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="gib_ShareRepurchaseProgram1Domain" name="ShareRepurchaseProgram1Domain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element id="gib_ShorttermEmployeeBenefitsAccrualsUndiscountedCashFlows" name="ShorttermEmployeeBenefitsAccrualsUndiscountedCashFlows" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant"/>
<xsd:element abstract="true" id="gib_ShorttermInvestmentsMember" name="ShorttermInvestmentsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="gib_StatementScenario1Axis" name="StatementScenario1Axis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="gib_StatementScenario1Domain" name="StatementScenario1Domain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="gib_SystemsIntegrationAndConsultingServicesMember" name="SystemsIntegrationAndConsultingServicesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="gib_TaxBenefitsOnLossesCarriedForwardRelatedTemporaryDifferenceMember" name="TaxBenefitsOnLossesCarriedForwardRelatedTemporaryDifferenceMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element id="gib_TaxRateEffectFromIntegrationrelatedCosts" name="TaxRateEffectFromIntegrationrelatedCosts" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration"/>
<xsd:element id="gib_TaxRateEffectOfExpenseNotDeductibleInDeterminingTaxableProfitLossAndRevenuesExemptFromTaxation" name="TaxRateEffectOfExpenseNotDeductibleInDeterminingTaxableProfitLossAndRevenuesExemptFromTaxation" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration"/>
<xsd:element id="gib_TaxRateEffectOfExpenseNotDeductibleInDeterminingTaxableProfitTaxLossRegulatorySettlements" name="TaxRateEffectOfExpenseNotDeductibleInDeterminingTaxableProfitTaxLossRegulatorySettlements" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration"/>
<xsd:element id="gib_TaxRateEffectOfMinimumTaxCharge" name="TaxRateEffectOfMinimumTaxCharge" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration"/>
<xsd:element id="gib_TaxRateEffectOfPreviouslyUnrecognizedTaxLossTaxCreditOrTemporaryDifferenceOfPriorPeriodUsedToReduceDeferredTaxExpense" name="TaxRateEffectOfPreviouslyUnrecognizedTaxLossTaxCreditOrTemporaryDifferenceOfPriorPeriodUsedToReduceDeferredTaxExpense" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="gib_TaxYearAxis" name="TaxYearAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="gib_TaxYearDomain" name="TaxYearDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="gib_TranchesOfRepaymentsOfBorrowingsAxis" name="TranchesOfRepaymentsOfBorrowingsAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="gib_TranchesOfRepaymentsOfBorrowingsDomain" name="TranchesOfRepaymentsOfBorrowingsDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element id="gib_TransactionCosts" name="TransactionCosts" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="gib_U.S.CommercialAndStateGovernmentSegmentMember" name="U.S.CommercialAndStateGovernmentSegmentMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="gib_U.S.FederalSegmentMember" name="U.S.FederalSegmentMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="gib_UnitedKingdomAndAustraliaSegmentMember" name="UnitedKingdomAndAustraliaSegmentMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="gib_UnitedKingdomSegmentMember" name="UnitedKingdomSegmentMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="gib_UnsecuredCommittedRevolvingCreditFacilityLettersOfCreditMember" name="UnsecuredCommittedRevolvingCreditFacilityLettersOfCreditMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="gib_UnsecuredCommittedRevolvingCreditFacilityMember" name="UnsecuredCommittedRevolvingCreditFacilityMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="gib_UnsecuredCommittedTermLoanCreditFacilityMember" name="UnsecuredCommittedTermLoanCreditFacilityMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="gib_UnusedNonOperatingTaxLossesMember" name="UnusedNonOperatingTaxLossesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="gib_UnusedOperatingTaxLossesMember" name="UnusedOperatingTaxLossesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element id="gib_UsefulLivesOrAmortisationRatesIntangibleAssetsOtherThanGoodwillPeriod" name="UsefulLivesOrAmortisationRatesIntangibleAssetsOtherThanGoodwillPeriod" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration"/>
<xsd:element id="gib_UsefulLivesOrDepreciationRatesPropertyPlantAndEquipmentPeriod" name="UsefulLivesOrDepreciationRatesPropertyPlantAndEquipmentPeriod" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="gib_WesternandSouthernEuropeSegmentMember" name="WesternandSouthernEuropeSegmentMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
<xsd:element abstract="true" id="gib_WorkInProgressRelatedTemporaryDifferenceMember" name="WorkInProgressRelatedTemporaryDifferenceMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
</xsd:schema>

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