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

 9/28/09  Terra Industries Inc.             8-K:8,9     9/28/09    2:45K                                    Donnelley … Solutions/FA 
 9/28/09  Terra Industries Inc.             DEFA14A     9/28/09    2:45K                                    Donnelley … Solutions/FA 
 9/28/09  CF Industries Holdings, Inc.      SC 13D                 7:2.2M Terra Industries Inc.             Toppan Merrill/FA        
          CF Composite, Inc.³
          CF Industries, Inc.³
 9/28/09  CF Industries Holdings, Inc.      425                    1:30K  Terra Industries Inc.             Toppan Merrill/FA        

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¹	Filing/Form Types:
	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 }.
	425	Prospectus or Communication – Merger.
	DEFA14A	Definitive Additional Proxy Soliciting Material — Schedule 14A.
	SC 13D	Statement of Acquisition of Beneficial Ownership by an “Active” Investor — Schedule 13D.
³	Group Member:  A Registrant or non-Registrant party to this Filing made by a Group.