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Filing Details

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1419852	Mattress Firm Holding Corp.	MFRM	Retail-Furniture Stores (5712)	000000000

Insiders

Cik	Name	Reported Address	Director	Officer	Large Shareholder	Other
1173402	Jw Childs Equity Partners Iii Lp	C/O J.w. Childs Associates, L.p. 1000 Winter Street, Suite 4300 Waltham MA 02451	No	No	Yes	No
1288059	Jwc Fund Iii Co Invest Llc	C/O J.w. Childs Associates, L.p. 1000 Winter Street, Suite 4300 Waltham MA 02451	No	No	Yes	No
1534918	J.w. Childs Associates, Inc.	C/O J.w. Childs Associates, L.p. 1000 Winter Street, Suite 4300 Waltham MA 02451	No	No	Yes	No
1534920	J.w. Childs Associates, L.p.	1000 Winter Street, Suite 4300 Waltham MA 02451	No	No	Yes	No
1534973	Jwc Mattress Holdings, Llc	C/O J.w. Childs Associates, L.p. 1000 Winter Street, Suite 4300 Waltham MA 02451	No	No	Yes	No
1534982	J.w. Childs Advisors Iii, L.p.	C/O J.w. Childs Associates, L.p. 1000 Winter Street, Suite 4300 Waltham MA 02451	No	No	Yes	No

Reported Non-Derivative Transactions

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Common Stock, Par Value $0.01 Per Share	Disposition	2013-06-10	1,260,730	$39.00	16,844,740	No	4	S	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	S	Direct

Footnotes

JWC Mattress Holdings, LLC, a limited liability company managed by J.W. Childs Associates, Inc., holds a total of 16,844,740 shares of the issuer. Of such shares, 16,027,704 shares are indirectly owned by J.W. Childs Equity Partners III, L.P., a Delaware limited partnership, whose general partner is J.W. Childs Advisors III, L.P., and 817,036 shares are indirectly owned by JWC Fund III Co-Invest, LLC, a Delaware limited liability company, whose managing member is J.W. Childs Associates, L.P. J.W. Childs Equity Partners III, L.P. and JWC Fund III Co-Invest, LLC hold their interest in the issuer's common stock through JWC Mattress Holdings, LLC. Voting and investment control of each of J.W. Childs Equity Partners III, L.P. and JWC Fund III Co-Invest, LLC is held by J.W. Childs Associates, Inc. Each of the J.W. Childs entities referenced above disclaims beneficial ownership of any securities other than the securities directly held by such entity.