| 1. | In connection with your consideration of a possible negotiated business combination transaction between AMAG Pharmaceuticals, Inc. (the “Company”) and you (the “Possible Transaction”), you have requested information concerning the Company that is confidential and proprietary. As a condition to your being furnished such information, you agree to treat any information, in any form or medium, whether written or oral, concerning the Company or any of its subsidiaries, affiliates or divisions (whether prepared by the Company, its advisors or otherwise) that is furnished to you by or on behalf of the Company (herein collectively referred to as the “Evaluation Material”) in accordance with the provisions of this letter agreement and to take or abstain from taking certain other actions herein set forth. The term “Evaluation Material” includes, without limitation, all notes, analyses, compilations, Excel spread sheets, data, reports, studies, interpretations or other documents furnished to you or your Representatives (as defined below) or prepared by you or your Representatives to the extent such materials reflect or are based upon, in whole or in part, the Evaluation Material. The term “Evaluation Material” does not include information that (a) is or becomes available to you on a nonconfidential basis from a source other than the Company or its Representatives; provided that such source is not known by you to be bound by a confidentiality agreement with, or other contractual, legal or fiduciary obligation to, the Company that prohibits such disclosure, (b) is or becomes generally available to the public other than as a result of a disclosure by you or your Representatives in violation of this letter agreement or (c) has been or is independently developed by you or your Representatives without the use of the Evaluation Material or in violation of the terms of this letter agreement. For purposes of this letter agreement references to your “Representatives” shall include your Affiliates (as such term is defined in Rule 12b-2 of the Securities Exchange Act of 1934, as amended, and except as limited by the last sentence of this paragraph) and your and your Affiliates’ directors, officers, employees, attorneys, accountants, financial advisors and other professional representatives. Without the Company’s prior written consent, neither you nor any of your Representatives shall share any Evaluation Material or Transaction Information with any potential debt or equity financing sources (except for your Affiliates); provided that upon receipt of such written consent, any such financing source shall automatically be deemed a “Representative” under this Agreement. Notwithstanding the foregoing, the Apollo Global Management, Inc. family of funds and portfolio companies shall not be Affiliates for purposes of this letter agreement, except for Apollo Global |