FARRELL THOMAS (0001241949)

Mailing Address 1400 WEST 64TH AVE DENVER CO 80221 Ownership Reports for Issuers: (Click on issuer name to see other owners for the issuer, or CIK for issuer filings.) Issuer Filings Transaction Date Type of Owner LAFARGE NORTH AMERICA INC 0000716783 2006-01-30 officer: Executive Vice President

Items 1 - 26

The information presented below contains only portions of the information presented in the referenced filing or filings.
You should consult the original filing for complete information. Hyperlinks to the forms are provided for your convenience.

Acquistion or Disposition	Transaction Date	Deemed Execution Date	Issuer	Form	Transaction Type	Direct or Indirect Ownership	Number of Securities Transacted	Number of Securities Owned	Line Number	Issuer CIK	Security Name
D	2006-05-16		LAFARGE NORTH AMERICA INC	4	D-Return	--D	27000.0000	0.0000	7	0000716783	Employee Stock Option (Right to Buy)
D	2006-05-16		LAFARGE NORTH AMERICA INC	4	D-Return	--D	30000.0000	0.0000	6	0000716783	Employee Stock Option (Right to Buy)
D	2006-05-16		LAFARGE NORTH AMERICA INC	4	D-Return	--D	30000.0000	0.0000	5	0000716783	Employee Stock Option (Right to Buy)
D	2006-05-16		LAFARGE NORTH AMERICA INC	4	D-Return	--D	10000.0000	0.0000	4	0000716783	Employee Stock Option (Right to Buy)
D	2006-05-16		LAFARGE NORTH AMERICA INC	4	D-Return	--D	15000.0000	0.0000	3	0000716783	Employee Stock Option (Right to Buy)
D	2006-05-16		LAFARGE NORTH AMERICA INC	4	D-Return	--D	3508.0000	0.0000	2	0000716783	Common Stock
D	2006-05-15		LAFARGE NORTH AMERICA INC	4	S-Sale	--D	39.0000	0.0000	8	0000716783	Exchangeable Preference Shares of Lafarge Canada Inc.
D	2006-05-15		LAFARGE NORTH AMERICA INC	4	S-Sale	--D	1057.3800	3508.0000	1	0000716783	Common Stock
A	2006-01-30		LAFARGE NORTH AMERICA INC	4	A-Award	--D	27000.0000	27000.0000	2	0000716783	Employee Stock Option (Right to Buy)
A	2006-01-30		LAFARGE NORTH AMERICA INC	4	A-Award	--D	2500.0000	4508.0000	1	0000716783	Common Stock
D	2005-02-11		LAFARGE NORTH AMERICA INC	4	S-Sale	--D	4600.0000	2127.0000	2	0000716783	Common Stock
D	2005-02-11		LAFARGE NORTH AMERICA INC	4	M-Exempt	--D	5000.0000	10000.0000	4	0000716783	Employee Stock Option (Right to Buy)
D	2005-02-11		LAFARGE NORTH AMERICA INC	4	S-Sale	--D	127.0000	2000.0000	3	0000716783	Common Stock
A	2005-02-11		LAFARGE NORTH AMERICA INC	4	M-Exempt	--D	5000.0000	6727.0000	1	0000716783	Common Stock
A	2005-02-04		LAFARGE NORTH AMERICA INC	4	A-Award	--D	1000.0000	1727.0000	1	0000716783	Common Stock
A	2005-02-03		LAFARGE NORTH AMERICA INC	4	A-Award	--D	30000.0000	30000.0000	2	0000716783	Employee Stock Option (Right to Buy)
D	2004-05-17		LAFARGE NORTH AMERICA INC	4	M-Exempt	--D	5000.0000	0.0000	3	0000716783	Employee Stock Option (Right to Buy)
D	2004-05-17		LAFARGE NORTH AMERICA INC	4	F-InKind	--D	4274.0000	726.0000	2	0000716783	Common Stock
A	2004-05-10		LAFARGE NORTH AMERICA INC	4	M-Exempt	--D	5000.0000	5000.0000	1	0000716783	Common Stock
D	2004-05-07		LAFARGE NORTH AMERICA INC	4	M-Exempt	--D	5000.0000	65000.0000	6	0000716783	Employee Stock Option (Right to Buy)
D	2004-05-07		LAFARGE NORTH AMERICA INC	4	M-Exempt	--D	5000.0000	70000.0000	5	0000716783	Employee Stock Option (Right to Buy)
D	2004-05-07		LAFARGE NORTH AMERICA INC	4	S-Sale	--D	5000.0000	0.0000	4	0000716783	Common Stock
A	2004-05-07		LAFARGE NORTH AMERICA INC	4	M-Exempt	--D	5000.0000	5000.0000	3	0000716783	Common Stock
D	2004-05-07		LAFARGE NORTH AMERICA INC	4	S-Sale	--D	5000.0000	0.0000	2	0000716783	Common Stock
A	2004-05-07		LAFARGE NORTH AMERICA INC	4	M-Exempt	--D	5000.0000	5000.0000	1	0000716783	Common Stock
A	2004-02-05		LAFARGE NORTH AMERICA INC	4	A-Award	--D	30000.0000	75000.0000	1	0000716783	Employee Stock Option (Right to Buy)

http://www.sec.gov/cgi-bin/own-disp

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