1 =============================================================== SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): SEPTEMBER 12, 1996 DOUBLETREE CORPORATION (Exact name of registrant as specified in its charter) DELAWARE 0-24392 86-0762415 (State or Other (Commission File (I.R.S. Employer jurisdiction of Number) Identification No.) incorporation) 410 North 44th Street, Suite 700 Phoenix, Arizona 85008 (Address of principal executive offices) Registrant's telephone number, including area code: (602) 220-6666 ---------------------- 2 ITEM 5. OTHER EVENTS. On September 12, 1996, Doubletree Corporation, a Delaware corporation (the "Company"), entered into an Agreement and Plan of Merger (the "Merger Agreement") with Red Lion Hotels, Inc., a Delaware corporation ("Red Lion"), and RLH Acquisition Corp., a Delaware corporation and a wholly owned subsidiary of the Company ("Merger Sub"), pursuant to which Merger Sub will merge with and into Red Lion (the "Merger"). As a result of the Merger, each outstanding share of common stock, par value $.01 per share, of Red Lion (the "Red Lion Common Stock") will be converted into the right to receive (i) $21.30 in cash, plus interest under certain circumstances as described in the Merger Agreement, and (ii) 0.2398 shares of common stock, par value $.01 per share, of the Company (the "Company Common Stock"), subject to adjustment under certain circumstances as described in the Merger Agreement. The Merger is conditioned upon, among other things, approval by holders of a majority of the outstanding shares of Red Lion Common Stock and, to the extent necessary, holders of a majority of the outstanding shares of Company Common Stock, as well as receipt of certain regulatory and governmental approvals. The Merger Agreement is filed as Exhibit 2.1 hereto and is incorporated herein by reference. Pursuant to a Shareholder Support Agreement dated as of September 12, 1996 by and between Red Lion, a California Limited Partnership, which owns approximately 66.7% of the outstanding shares of Red Lion Common Stock (the "Majority Stockholder"), and the Company, the Majority Stockholder has agreed, among other things, to vote its shares of Red Lion Common Stock in favor of approval and adoption of the Merger Agreement and the Merger. The Shareholder Support Agreement is filed as Exhibit 99.1 hereto and is incorporated herein by reference. A copy of the press release dated September 12, 1996 issued by the Company relating to the Merger is filed as Exhibit 99.2 and is incorporated herein by reference. ITEM 7. FINANCIAL STATEMENTS AND EXHIBITS (c) Exhibits. 2.1 Agreement and Plan of Merger dated as of September 12, 1996 by and among Doubletree Corporation, RLH Acquisition Corp. and Red Lion Hotels, Inc. (excluding certain exhibits). 99.1 Shareholder Support Agreement dated as of September 12, 1996 by and between Red Lion, a California Limited Partnership and Doubletree Corporation. 99.2 Press Release dated September 12, 1996. 3 SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. DOUBLETREE CORPORATION /s/ William L. Perocchi ----------------------- William L. Perocchi Executive Vice President, Chief Financial Officer and Treasurer Dated: September 12, 1996 4 INDEX OF EXHIBITS PAGE NUMBER IN SEQUENTIAL EXHIBIT NO. DESCRIPTION NUMBER SYSTEM - ---------------- -------------------------------------------- --------------- 2.1 Agreement and Plan of Merger dated as of September 12, 1996 by and among Doubletree Corporation, RLH Acquisition Corp. and Red Lion Hotels, Inc. (excluding certain exhibits). 99.1 Shareholder Support Agreement dated as of September 12, 1996 by and between Red Lion, a California Limited Partnership and Doubletree Corporation. 99.2 Press Release dated September 12, 1996.