1. Organization

CoreSite Realty Corporation (the “Company,” “we,” or “our”) was organized in the state of Maryland on February 17, 2010 and is a fully integrated, self-administered, and self-managed real estate investment trust (“REIT”). Through our controlling interest in CoreSite, L.P. (our “Operating Partnership”), we are engaged in the business of owning, acquiring, constructing and managing technology-related real estate.

On September 28, 2010, we completed our initial public offering (the “IPO”) which resulted in the sale of 19,435,000 shares of our common stock, including 2,535,000 shares as a result of the underwriters exercising their over-allotment option, at a price per share of $16.00, generating gross proceeds to the Company of $311.0 million. The proceeds to the Company, net of underwriters’ discounts, commissions and other offering costs were $285.6 million.

Upon completion of the IPO, our Operating Partnership entered into various formation transactions and acquired 100% of the ownership interests in the entities that owned our Predecessor, as defined below, from certain real estate funds (the “Funds”) affiliated with The Carlyle Group. Our Predecessor includes the limited liability companies which were all wholly owned, directly or indirectly, by CRP Fund V Holdings, LLC. We have determined that CRP Fund V Holdings, LLC is the acquirer for accounting purposes and, therefore, interests contributed by CRP Fund V Holdings, LLC in the formation transactions (the Predecessor entities and properties) were recorded at historical cost.

Additionally, our Operating Partnership acquired 100% of the ownership interests in the entities that owned the CoreSite Acquired Properties, as defined below, from the Funds and their affiliates. The contribution or acquisition of interests in the CoreSite Acquired Properties was accounted for as an acquisition under the acquisition method of accounting and recognized at the estimated fair value of acquired assets and assumed liabilities on the date of the contribution.

Because these transactions occurred shortly before September 30, 2010, the financial condition and results of operations for the entities acquired by our predecessor in connection with the IPO and related formation transactions are only included in the condensed consolidated financial statements since the date of the transactions. More specifically, our results of operations for the three and nine month periods ending September 30, 2010 reflect the operations of the consolidated CoreSite Predecessor entities, as defined in the table below, together with the CoreSite Acquired Properties from the date of their acquisition, September 28, 2010. Changes in our capital structure that occurred on September 28, 2010, including the acquisition of our predecessor by our Operating Partnership, are reflected since that date in the financial statements, including the allocation of net loss attributable to noncontrolling interest holders and calculations of loss per share. The results of operations for the three and nine months ended September 30, 2011 reflect the consolidated financial condition and results of operations of our Predecessor and the CoreSite Acquired Properties. The accompanying condensed consolidated financial statements include the following entities and properties:


CoreSite Predecessor		Coresite Acquired Properties
CRP Fund V Holdings, LLC		One Wilshire
1656 McCarthy		900 N. Alameda
2901 Coronado		55 S. Market
Coronado-Stender Properties		427 S. LaSalle
70 Innerbelt		1275 K Street
32 Avenue of the Americas		2115 NW 22nd Street
12100 Sunrise Valley		CoreSite, LLC