As Of	Filer	Filing¹	For·On·As	Docs:Size	Issuer		Filing Agent

 12/5/13  PECO Energy Co.                   8-K:5       12/3/13    1:13K                                    Donnelley … Solutions/FA 
 10/4/13  Exelon Corp.                      8-K:5       10/2/13    1:16K                                    Donnelley … Solutions/FA 
          Peco Energy Co.
 3/16/12  Constellation Energy Generat… LLC 8-K:5       3/12/12    1:20K                                    Donnelley … Solutions/FA 
          Commonwealth Edison Co.
          Peco Energy Co.
 3/14/12  Constellation Energy Generat… LLC 8-K:1,2,3,5  3/9/12   17:2.4M                                   Donnelley … Solutions/FA 
          Baltimore Gas & Electric Co.
          Commonwealth Edison Co.
          Exelon Corp.
          Peco Energy Co.
  9/9/11  Constellation Energy Generat… LLC 8-K:5,9      9/9/11    2:117K                                   Donnelley … Solutions/FA 
          Commonwealth Edison Co.
          Exelon Corp.
          Peco Energy Co.
 12/7/09  PECO Energy Co.                   8-K:5,8,9   12/1/09    2:37K                                    Donnelley … Solutions/FA 
          Exelon Corp.
 7/31/09  Constellation Energy Generat… LLC 8-K:5,9     7/27/09    2:69K                                    Donnelley … Solutions/FA 
          Commonwealth Edison Co.
          Exelon Corp.
          Peco Energy Co.
 9/10/08  Exelon Corp.                      8-K:5,8,9   9/10/08    2:66K                                    Donnelley … Solutions/FA 
          Peco Energy Co.
  8/1/08  Exelon Corp.                      8-K:5,9     7/28/08    3:213K                                   Donnelley … Solutions/FA 
          Commonwealth Edison Co.
          Exelon Generation Co. LLC
          Peco Energy Co.
  9/7/07  Constellation Energy Generat… LLC 8-K:5,9     8/31/07    2:45K                                    Donnelley … Solutions/FA 
          Commonwealth Edison Co.
          Exelon Corp.
          Peco Energy Co.
 7/25/07  Exelon Corp.                      8-K:5       7/19/07    1:33K                                                             
          Exelon Generation Co. LLC
          Peco Energy Co.
 5/14/07  Exelon Corp.                      8-K:5,8      5/8/07    1:26K                                    Bowne Boc/FA             
          Commonwealth Edison Co.
          Exelon Generation Co. LLC
          Peco Energy Co.
  4/6/07  Commonwealth Edison Co.           8-K:5        4/2/07    1:38K                                    Exelon Corp.             
          Peco Energy Co.
 3/20/07  PECO Energy Co.                   8-K:5       3/14/07    1:34K                                    Exelon Corp.             
          Commonwealth Edison Co.
11/28/05  Constellation Energy Generat… LLC 8-K:5,9    11/28/05    3:58K                                    Bowne Boc/FA             
          Commonwealth Edison Co.
          Exelon Corp.
          Peco Energy Co.
 2/25/05  Constellation Energy Generat… LLC 8-K:5       2/23/05    2:37K                                    Bowne Boc/FA             
          Commonwealth Edison Co.
          Exelon Corp.
          Peco Energy Co.
 2/22/05  Constellation Energy Generat… LLC 8-K:5       2/22/05    2:28K                                    Bowne Boc/FA             
          Commonwealth Edison Co.
          Exelon Corp.
          Peco Energy Co.
 1/28/05  Constellation Energy Generat… LLC 8-K:1,5     1/24/05    2:55K                                    Bowne Boc/FA             
          Commonwealth Edison Co.
          Exelon Corp.
          Peco Energy Co.
 7/22/94  Peco Energy Capital LP            8-K:6       7/20/94    2:61K                                    Allen Lane & Scott/FA    
          Peco Energy Co.

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¹	Filing/Form Type:
	8-K	Current Report — Form 8-K { Item 1: Business & Operations;  2: Financial Info;  3: Securities & Trading;  4: Accountants & Accounting;  5: Governance & Management;  6: Asset-Backed Securities;  7: Disclosures;  8: Events;  9: Financials — Pre-8/23/04... Item 1: Control;  2: Assets;  3: Bankruptcy;  4: Accountants;  5: Events;  6: Resignations;  7: Financials;  8: FY;  9: Regs. FD & S;  10: Ethics;  11: Suspensions;  12: Results;  13: Notices }.