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Washington, DC 20006-2401 +1 202 261 3300 Main +1 202 261 3333 Fax [DECHERT LLP LOGO] www.dechert.com September 30, 2008 Eclipse Funds 51 Madison Avenue New York, NY 10010 Re: Registration Statement on Form N-14 Ladies and Gentlemen: We have acted as counsel for Eclipse Funds (the "Trust"), a trust duly organized and validly existing under the laws of the Commonwealth of Massachusetts, in connection with the Trust's Registration Statement on Form N-14 (the "Registration Statement"), to be filed with the Securities and Exchange Commission (the "Commission") under the Securities Act of 1933, as amended (the "Securities Act"), relating to the transfer of all of the assets of the MainStay Small Cap Value Fund, a series of The MainStay Funds (the "Small Cap Value Fund"), to MainStay Small Cap Opportunity Fund, a series of the Trust (the "Small Cap Opportunity Fund"), in exchange for the issuance of Investor Class shares, Class A shares, Class B shares, Class C shares and Class I shares of beneficial interest of the Small Cap Opportunity Fund, par value $0.01 per share (the "Shares"), and the assumption of the Small Cap Value Fund's stated liabilities by Small Cap Opportunity Fund pursuant to the proposed reorganization as described in the Registration Statement and the form of Agreement and Plan of Reorganization (the "Agreement") by the Trust, on behalf of the Small Cap Opportunity Fund, and The Mainstay Funds, on behalf of the Small Cap Value Fund, as filed with the Registration Statement. In connection with the opinions set forth herein, you have provided to us originals, drafts, copies or facsimile transmissions of, and we have reviewed and relied upon, among other things: a draft of the Registration Statement; a draft of the Agreement; the Amended Agreement and Declaration of Trust of the Trust dated July 30, 1986, as amended; and the Amended and Restated By-Laws of the Trust dated July 30, 1986, as amended (the "By-Laws"). We have assumed that the By-Laws have been duly adopted by the Trustees. We have also examined such documents and questions of law as we have concluded are necessary or appropriate for purposes of the opinions expressed below. In rendering this opinion we have assumed, without independent verification, (i) the due authority of all individuals signing in representative capacities and the genuineness of signatures, (ii) the authenticity, completeness and continued effectiveness of all documents or copies furnished to us, (iii) that any resolutions provided have been duly adopted by the Trustees, (iv) that the facts US Austin Boston Charlotte Hartford New York Newport Beach Philadelphia Princeton San Francisco Silicon Valley Washington DC EUROPE Brussels London Luxembourg Munich Paris ASIA Beijing Hong Kong [DECHERT LLP LOGO] Eclipse Funds September 30, 2008 Page 2 contained in the instruments and certificates or statements of public officials, officers and representatives of the Small Cap Opportunity Fund on which we have relied for the purposes of this opinion are true and correct, and (v) that no amendments, agreements, resolutions or actions have been approved, executed or adopted which would limit, supersede or modify the items described above. Where documents are referred to in resolutions approved by the Trustees, or in the Registration Statement, we assume such documents are the same as in the most recent form provided to us, whether as an exhibit to the Registration Statement or otherwise. Based upon the foregoing, we are of the opinion that the Shares proposed to be sold pursuant to the Registration Statement, as made effective by the Securities and Exchange Commission, will have been validly authorized and, when issued in accordance with the terms of such Registration Statement and the requirements of applicable federal and state law and delivered by the Trust against receipt of the net asset value of the Shares, as described in the Registration Statement, will have been legally issued and will be fully paid and non-assessable by the Trust. The opinions expressed herein are limited to the laws of the Commonwealth of Massachusetts and the federal securities laws of the United States. We express no opinion herein with respect to the effect or applicability of the law of any other jurisdiction. The opinions expressed herein are solely for your benefit and may not be relied on in any manner or for any purpose by any other person. We express no opinion as to any other matter other than as expressly set forth above and no other opinion is intended or may be inferred herefrom. The opinions expressed herein are given as of the date hereof and we undertake no obligation and hereby disclaim any obligation to advise you of any change after the date of this opinion pertaining to any matter referred to herein. We hereby consent to the filing of this opinion with the Securities and Exchange Commission as an exhibit to the Registration Statement, and to the use of our name in the Trust's Registration Statement, unless and until we revoke such consent. In giving such consent, however, we do not admit that we are within the category of persons whose consent is required by Section 7 of the Securities Act and the rules and regulations thereunder. Very truly yours, Dechert LLP