kelly13g

After reasonable inquiry and to the best of the undersigned's knowledge and belief, the undersigned certify that the information set forth in this statement is true, complete and correct.

EXHIBIT 99.1

JOINT FILING AGREEMENT

February 13, 2008

Pursuant to and in accordance with the Securities Exchange Act of 1934, as amended, and the rules and regulations thereunder, each party hereto hereby agrees to the joint filing, on behalf of each of them, of any filing required by such party under Section 13 or Section 16 of the Exchange Act or any rule or regulation thereunder (including any amendment, restatement, supplement, and/or exhibit thereto) with the Securities and Exchange Commission (and, if such security is registered on a national securities exchange, also with the exchange), and further agrees to the filing, furnishing, and/or incorporation by reference of this Joint Filing Agreement as an exhibit thereto. This Joint Filing Agreement shall remain in full force and effect until revoked by any party hereto in a signed writing provided to each other party hereto, and then only with respect to such revoking party.

IN WITNESS WHEREOF, each party hereto, being duly authorized, has caused this Joint Filing Agreement to be executed and effective as of the date first written above.

	CAPSTREET II, L.P.
	By:	CapStreet GP II, L.P., its general partner
By: /s/ George Kelly			By:	The CapStreet Group, LLC, its general partner
George Kelly
			By:	/s/ Katherine L. Kohlmeyer___
				Katherine L. Kohlmeyer,
				Chief Financial Officer

	CAPSTREET GP II, L.P.
	By:	CapStreet Group, LLC, its general partner

		By:	/s/ Katherine L. Kohlmeyer
			Katherine L. Kohlmeyer,
			Chief Financial Officer

	THE CAPSTEET GROUP, LLC

	By:	/s/ Katherine L. Kohlmeyer
		Katherine L. Kohlmeyer,
		Chief Financial Officer


1		NAMES OF REPORTING PERSONS George Kelly
2		CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (See Instructions) (a) (b)
3		SEC USE ONLY
4		CITIZENSHIP OR PLACE OF ORGANIZATION United States


NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5 SOLE VOTING POWER 5,000
		6 SHARED VOTING POWER 6,822,035
		7 SOLE DISPOSITIVE POWER 5,000
		8 SHARED DISPOSITIVE POWER 6,822,035


9		AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 6,827,035
10		CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* N/A
11		PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 20.1%
12		TYPE OF REPORTING PERSON IN


1		NAMES OF REPORTING PERSONS The CapStreet Group, LLC
2		CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (See Instructions) (a) (b)
3		SEC USE ONLY
4		CITIZENSHIP OR PLACE OF ORGANIZATION DE


NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5 SOLE VOTING POWER 0
		6 SHARED VOTING POWER 6,822,035
		7 SOLE DISPOSITIVE POWER 0
		8 SHARED DISPOSITIVE POWER 6,822,035

		December 31, 2007
(Date of Event Which Requires Filing of this Statement)


1		NAMES OF REPORTING PERSONS CapStreet GP, II, L.P.
2		CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (See Instructions) (a) (b)
3		SEC USE ONLY
4		CITIZENSHIP OR PLACE OF ORGANIZATION DE


NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5 SOLE VOTING POWER 0
		6 SHARED VOTING POWER 6,821,621
		7 SOLE DISPOSITIVE POWER 0
		8 SHARED DISPOSITIVE POWER 6,821,621


1		NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (entities only) CapStreet II, LP
2		CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (See Instructions) (a) (b)
3		SEC USE ONLY
4		CITIZENSHIP OR PLACE OF ORGANIZATION DE

Item 3.	If this statement is filed pursuant to sections 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:

	(a)	[ ]	Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o).

	(b)	[ ]	Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c).

	(c)	[ ]	Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c).

	(d)	[ ]	Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8).

	(e)	[ ]	An investment adviser in accordance with section 240.13d-1(b)(1)(ii)(E).

	(f)	[ ]	An employee benefit plan or endowment fund in accordance with section 240.13d-1(b)(1)(ii)(F).

	(g)	[ ]	A parent holding company or control person in accordance with section 240.13d-1(b)(1)(ii)(G).

	(h)	[ ]	A savings association as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813).

	(i)	[ ]	A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3).

	(j)	[ ]	Group, in accordance with section 240.13d-1(b)(1)(ii)(J).


(a)	Amount beneficially owned:	See Item 9 of each of the cover pages to this Schedule 13G, which are incorporated herein by reference.

(b)	Percentage of class:	See Item 11 of each of the cover pages to this Schedule 13G, which are incorporated herein by reference.
	The number of shares reported and the calculation of percentages referenced herein are based on the shares beneficially owned as of December 31, 2007 and based on the Company's Quarterly Report on Form 10-Q for the quarterly period ending September 30, 2007 which indicated that the Company had 33,907408 total shares of Common Stock issued and outstanding as of September 30, 2007.
(c)	Number of Shares as to which the person has:		See Item 5 through 8 of each of the cover pages to this Schedule 13G, which are incorporated herein by reference.
	(i) Sole power to vote or to direct the vote: __
	(ii) Shared power to direct the vote: __
	(iii) Sole power to direct the disposition vote: __
	(iv) Shared power to direct the disposition: __


Item 5.		Ownership of Five Percent or Less of a Class.

		If this statement is being filed to report the act that as of the date hereof the reporting person has ceased to be the beneficial owner of more than five percent of the class of securities, check the following [ ].

Item 6.		Ownership of More than Five Percent on Behalf of Another Person.

		The shares reported herein include: (a) 4,814,563 shares held in the name of CS II; 589,409 shares held in the name of CapStreet Parallel II LP; and 1,417,649 shares in the name of CapStreet Co-Investment II-A, are deemed to be owned by each of the reporting persons. (b) 414 shares held in the name of CS Group are deemed to be owned by Kelly. (c) 5,000 shares subject to options that are currently exercisable are held by Kelly.


Item 7.		Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on By the Parent Holding Company or Control Person.

		Not Applicable.

Item 8.		Identification and Classification of Members of the Group.

		Not Applicable.

Item 9.		Notice of Dissolution of Group.

		Not Applicable.

Item 10.		Certification.

		By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect.

	CAPSTREET II, L.P.
	By:	CapStreet GP II, L.P., its general partner
By: /s/George Kelly			By:	The CapStreet Group, LLC, its general partner
George Kelly
			By:	/s/ Katherine L. Kohlmeyer
				Katherine L. Kohlmeyer,
				Chief Financial Officer

	CAPSTREET GP II, L.P.
	By:	The CapStreet Group, LLC, its general partner

		By:	/s/ Katherine L. Kohlmeyer
			Katherine L. Kohlmeyer,
			Chief Financial Officer

	THE CAPSTEET GROUP, LLC

	By:	/s/ Katherine L. Kohlmeyer
		Katherine L. Kohlmeyer,
		Chief Financial Officer

	Switch & Data Facilities Company, Inc.
		(Name of Issuer)

		Common Stock
		(Title of Class of Securities)

	[ ] Rule 13d-1(b)
	[ ] Rule 13d-1(c)
	[ x ] Rule 13d-1(d)