Introduction
Welcome to the Blueprint Medicines website (“website”). Blueprint Medicines created and maintains this website to provide information to and communicate better with physicians, patients, investors and others who may be interested in learning more about Blueprint Medicines and the products and services it offers. You may use this website, provided you comply with these terms and conditions.

In addition to these terms and conditions, you should also read and be aware of the provisions of our Privacy Policy, which discloses Blueprint Medicines’ practices regarding the collection and use of your personal information, and other policies that govern other parts of our website.

Forward-Looking Statements
This website contains forward-looking statements as defined in the Private Securities Litigation Reform Act of 1995, as amended, including statements about our future expectations, plans, prospects, objectives and strategies. Without limiting the foregoing, the words “may,” “will,” “could,” “would,” “should,” “expect,” “plan,” “anticipate,” “intend,” “believe,” “estimate,” “predict,” “project,” “potential,” “continue,” “target” and similar expressions are intended to identify forward-looking statements, although not all forward-looking statements contain these identifying words. There are a number of known and unknown risks, uncertainties and other important factors that could cause Blueprint Medicines’ actual results, performance or achievements to differ materially from those expressed or implied by any forward-looking statements. These risks and uncertainties include, among others, risks and uncertainties related to the results of clinical trials and preclinical studies, including subsequent analysis of existing data and new data received from ongoing and future studies; the content and timing of decisions made by the U.S. Food and Drug Administration and other regulatory authorities, investigational review boards at clinical trial sites and publication review bodies; Blueprint Medicines’ ability to obtain and maintain requisite regulatory approvals and to enroll patients in its planned clinical trials; Blueprint Medicines’ ability to obtain, maintain and enforce patent and other intellectual property protection for any product candidates it is developing; and Blueprint Medicines’ ability to maintain key collaborations; and other risks listed under “Risk Factors” in Blueprint Medicines’ annual report, quarterly reports and other filings that it makes from time to time with the Securities and Exchange Commission, all of which are available through this website and at www.sec.gov. Blueprint Medicines assumes no obligation to update any forward-looking statements appearing on this website as a result of new information, future events or circumstances or otherwise. None of the information contained in this website is intended to be, and shall not be deemed to be, incorporated into any of Blueprint Medicines’ filings with the Securities and Exchange Commission.

Dated Information and Updates
The information presented on this website is or was current as of the “Last Updated” date shown on each page. Blueprint Medicines may make improvements and/or changes to this website at any time. Although Blueprint Medicines attempts to periodically update information on this website, the information, materials and services provided on or through this website may occasionally be inaccurate, incomplete or out of date. Blueprint Medicines expressly disclaims any duty to update information contained in this website, and Blueprint Medicines will not be liable for any failure to update such information. Blueprint Medicines makes no representation as to the completeness, accuracy or currency of any information on this website, and Blueprint Medicines undertakes no obligation to update or revise the information contained on this website, whether as a result of new information, future events or circumstances or otherwise. It is your responsibility to verify any information contained in this website before relying upon it.

Links
This website may contain links to websites operated by other parties. The linked websites are not under the control of Blueprint Medicines, and Blueprint Medicines is not responsible for the content available on any other websites linked to this website. Such links do not imply Blueprint Medicines’ endorsement of material on any other website, and Blueprint Medicines disclaims all liability with regard to your access to such linked websites. Blueprint Medicines provides links to other websites as a convenience to users, and access to any other websites linked to this website is at your own risk.

No Warranties
Your use of this website and any linked websites is at your own risk. Neither Blueprint Medicines nor any other party involved in creating, producing or delivering this website shall be liable for any direct, indirect, incidental or consequential damages arising out of your access to, or use of, this website or any linked website. This includes damage due to viruses or other harmful or malicious code that may infect your computer equipment. Without limiting the foregoing, EVERYTHING ON THIS WEBSITE IS PROVIDED TO YOU “AS IS” WITHOUT WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Some jurisdictions do not allow the exclusion of certain warranties. Accordingly, the above exclusion may not apply to you.

Copyrights and Trademarks
This website, and the information which it contains, is the property of Blueprint Medicines Corporation and its affiliates and licensors, and is protected from unauthorized copying and dissemination by United States copyright law, international conventions and other intellectual property laws. The trademarks and logos displayed on this website are trademarks of Blueprint Medicines Corporation except as otherwise noted. Nothing on this website should be construed to grant any license or right in or to any trademarks, logos or other intellectual property rights. All rights are reserved by the owners of each trademark, service mark, logo, or other intellectual property, except as otherwise described in this notice.

Governing Law
These terms and conditions and your use of this website shall be governed by the laws of the Commonwealth of Massachusetts without regard to its conflicts of laws principles. Any legal action or proceeding based on, arising out of or related to these terms and conditions or your use of this website (including any information it contains) shall be brought exclusively in a federal or state court of competent jurisdiction sitting in Boston, Massachusetts.

Your Acceptance of These Terms and Conditions
Please take a few minutes to carefully review these terms and conditions. By accessing and using this website you agree to follow and be bound by these terms and conditions. If you do not agree to follow and be bound by these terms and conditions, you may not access, use or download materials from this website.

These Terms and Conditions May Change
Blueprint Medicines reserves the right to update or modify these terms and conditions at any time without prior notice. Your use of this website following any such change constitutes your agreement to follow and be bound by the terms and conditions as changed. For this reason, Blueprint Medicines encourages you to review these terms and conditions every time you use this website.

These terms and conditions were last revised on October 31, 2015.