EXHIBIT 99.4 REPORT OF INDEPENDENT ACCOUNTANTS To the Board of Directors and Stockholders of GARTNER GROUP, INC. In our opinion, the consolidated statements of operations, of changes in stockholders' equity and of cash flows for the year ended September 30, 1995 present fairly, in all material respects, the results of operations and cash flows of Gartner Group, Inc. and its subsidiaries, for the year ended September 30, 1995, in conformity with generally accepted accounting principles. These financial statements are the responsibility of the Company's management; our responsibility is to express an opinion on these financial statements based on our audit. We conducted our audit of these statements in accordance with generally accepted auditing standards which require that we plan and perform the audit to obtain reasonable assurance about whether the financial statements are free of material misstatement. An audit includes examining, on a test basis, evidence supporting the amounts and disclosures in the financial statements, assessing the accounting principles used and significant estimates made by management, and evaluating the overall financial statement presentation. We believe that our audit provides a reasonable basis for the opinion expressed above. We have not audited the consolidated financial statements of Gartner Group, Inc. for any period subsequent to September 30, 1995. PRICE WATERHOUSE LLP Stamford, Connecticut November 1, 1995, except as to the Dataquest acquisition discussed in Note 3, which is as of January 25, l996 and the stock split discussed in Note 10, which is as of March 29, 1996