Terms of Use Agreement

1. Acceptance of Terms and Conditions

1.1 C4 Therapeutics, Inc. (herein referred to as “C4T,” “we,” “us” or “our”) provides and makes available our website(s) (collectively, the “Web Site”). All use of the Web Site is subject to the terms and conditions contained in this Terms of Use Agreement (the “Agreement”). Please read this Agreement carefully. By accessing, browsing or otherwise using the Web Site, you acknowledge that you have read, understood, and agree to be bound by this Agreement. If you do not accept the terms and conditions of this Agreement, you shall not access, browse or use the Web Site.

1.2 You understand and agree that we may change this Agreement at any time without prior notice. Modifications will be posted on the Web Site, so please check back when you use the Web Site. The revised Agreement will become effective at the time of posting. Any use of the Web Site after such date shall constitute your acceptance of such revised Agreement. If any change to this Agreement is not acceptable to you, your sole remedy is to cease accessing, browsing and otherwise using the Web Site.

1.3 Your access to and use of the Web Site is also subject to C4T’s Privacy Policy located at https://c4therapeutics.com/privacy-policy, which is hereby incorporated herein by reference.

2. Use of the Web Site.

2.1 This Web Site contains material, including but not limited to software, text, graphics and images (collectively referred to as the “Content”). We may own the Content or portions of the Content may be made available to us through arrangements that we have with third parties. The Content is protected by United States and foreign intellectual property laws. Unauthorized use of the Content may result in violation of copyright, trademark, and other laws. You have no rights in or to the Content, and you will not use, copy or display the Content except as permitted under this Agreement. No other use is permitted without our prior written consent. You must retain all copyright and other proprietary notices contained in the original Content on any copy you make of the Content. You may not sell, transfer, assign, license, sublicense, or modify the Content or reproduce, display, publicly perform, make a derivative version of, distribute, or otherwise use the Content in any way for any public or commercial purpose. The use or posting of any of the Content on any other web site or in a networked computer environment for any purpose is expressly prohibited. If you violate any part of this Agreement, your right to access and/or use the Content and Web Site shall automatically terminate and you shall immediately destroy any copies you have made of the Content.

2.2 The Web Site contains forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. These forward-looking statements may include, but may not be limited to, express or implied statements regarding our ability to develop potential therapies for patients; the design and potential efficacy of our therapeutic approaches; the predictive capability of our TORPEDO® platform in the development of novel, selective, orally bioavailable degraders; the potential timing, design and advancement of our pre-clinical studies and clinical trials, including the potential timing for regulatory authorization related to clinical trials and other clinical development activities; our ability and the potential to successfully manufacture and supply our product candidates for clinical trials; our ability to replicate results achieved in our pre-clinical studies or clinical trials in any future studies or trials; and regulatory developments in the United States and foreign countries. Any forward-looking statements in the Web Site are based on management’s current expectations and beliefs of future events and are subject to a number of risks and uncertainties that could cause actual results to differ materially and adversely from those set forth in or implied by such forward-looking statements. These risks and uncertainties include, but are not limited to: uncertainties related to the initiation, timing, advancement and conduct of pre-clinical and clinical studies and other development requirements for our product candidates; the risk that any one or more of our product candidates will cost more to develop or may not be successfully developed and commercialized; and the risk that the results of pre-clinical studies and/or clinical trials will or will not be predictive of results in connection with future studies or trials. For a discussion of these and other risks and uncertainties, and other important factors, any of which could cause our actual results to differ from those contained in the forward-looking statements, see the section entitled “Risk Factors” in C4T’s most recent Annual Report on Form 10-K and/or Quarterly Report on Form 10-Q, as filed with the Securities and Exchange Commission. C4T undertakes no duty to update the information contained on the Web Site unless required by law.

2.3 The trademarks, service marks, and logos of C4T (the “C4T Trademarks”) used and displayed on this Web Site are registered and unregistered trademarks or service marks of C4T. Other company, product, and service names located on the Web Site may be trademarks or service marks owned by third parties (the “Third-Party Trademarks,” and, collectively with the C4T Trademarks, the “Trademarks”). Nothing on this Web Site or in this Agreement should be construed as granting, by implication, estoppel, or otherwise, any license or right to use any Trademark displayed on this Web Site without the prior written consent of C4T specific for each such use. The Trademarks may not be used to disparage C4T or the applicable third-party, C4T’s or third-party’s products or services, or in any manner (using commercially reasonable judgment) that may damage any goodwill in the Trademarks. Use of any Trademarks as part of a link to or from any web site is prohibited without C4T’s prior written consent. All goodwill generated from the use of any C4T Trademark shall inure to C4T’s benefit.

2.4 You agree not to: (a) take any action that imposes an unreasonable load on the Web Site’s infrastructure, (b) use any device, software or routine to interfere or attempt to interfere with the proper working of the Web Site or any activity being conducted on the Web Site, (c) attempt to decipher, decompile, disassemble or reverse engineer any of the software comprising or making up the Web Site, (d) delete or alter any material posted on the Web Site by C4T or any other person or entity, or (e) frame to any of the materials or information available on the Web Site.

2.5 Unless otherwise set forth in a written agreement between you and C4 Therapeutics, you must adhere to C4 Therapeutics’ linking policy as follows: (i) any link to this Web Site must be a text only link clearly marked “C4Therapeutics.com” or “C4 Therapeutics web site,” (ii) the appearance, position and other aspects of the link may not be such as to damage or dilute the goodwill associated with C4 Therapeutics’ names and trademarks, (iii) the link must “point” to www.c4therapeutics.com and not to other pages within the Web Site, (iv) the appearance, position and other attributes of the link may not create the false appearance that your organization or entity is sponsored by, affiliated with, or associated with C4 Therapeutics, (v) when selected by a user, the link must display the Web Site on full-screen and not within a “frame” on the linking web site, and (vi) C4 Therapeutics reserves the right to revoke its consent to the link at any time and in its sole discretion.

2.6 The Web Site contains links to third-party web sites (“External Sites”). These links are provided solely as a convenience to you and not as an endorsement by us of the content on such External Sites. The content of such External Sites is developed and provided by others. You should contact the site administrator or webmaster for those External Sites if you have any concerns regarding such links or any content located on such External Sites. We are not responsible for the content or policies of any linked External Sites and do not make any representations regarding the content or accuracy of any materials on such External Sites. You should take precautions when downloading files from all web sites to protect your computer from viruses and other destructive programs. If you decide to access any External Sites, you do so at your own risk.

2.7 Certain elements of the Web Site are protected by trade dress, trademark, unfair competition, and other laws and may not be copied or imitated in whole or in part, by any means, including but not limited to, the use of framing or mirrors, except as otherwise expressly permitted by Section 2 of the Agreement. None of the Content for this Web Site may be retransmitted without the express written consent from C4T for each and every instance.

3. Limitation of Liability and Disclaimer of Warranties.

3.1 C4T, ITS AFFILIATES, THEIR RESPECTIVE OFFICERS, DIRECTORS, EMPLOYEES, CONTRACTORS, CONSULTANTS, AGENTS, SUPPLIERS, OR LICENSORS (COLLECTIVELY, THE “C4T PARTIES”) MAKE NO WARRANTIES OR REPRESENTATIONS ABOUT THE CONTENT, INCLUDING BUT NOT LIMITED TO ITS ACCURACY, RELIABILITY, COMPLETENESS, TIMELINESS OR RELIABILITY. THE C4T PARTIES SHALL NOT BE SUBJECT TO LIABILITY FOR THE TRUTH, ACCURACY OR COMPLETENESS OF THE CONTENT OR ANY OTHER INFORMATION CONVEYED TO THE USER OR FOR ERRORS, MISTAKES OR OMISSIONS THEREIN OR FOR ANY DELAYS OR INTERRUPTIONS OF THE DATA OR INFORMATION STREAM FROM WHATEVER CAUSE. YOU AGREE THAT YOU USE THE WEB SITE AND THE CONTENT AT YOUR OWN RISK. THE C4T PARTIES DO NOT WARRANT THAT THE WEB SITE WILL OPERATE ERROR-FREE OR THAT THE WEB SITE, ITS SERVER, OR THE CONTENT ARE FREE OF COMPUTER VIRUSES OR SIMILAR CONTAMINATION OR DESTRUCTIVE FEATURES. IF YOUR USE OF THE WEB SITE OR THE CONTENT RESULTS IN THE NEED FOR SERVICING OR REPLACING EQUIPMENT OR DATA, NO C4T PARTY SHALL BE RESPONSIBLE FOR THOSE COSTS. THE WEB SITE AND CONTENT ARE PROVIDED ON AN “AS IS” AND “AS AVAILABLE” BASIS WITHOUT ANY WARRANTIES OF ANY KIND. THE C4T PARTIES DISCLAIM ALL WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE WARRANTIES OF TITLE, MERCHANTABILITY, NON-INFRINGEMENT OF THIRD PARTIES RIGHTS, AND FITNESS FOR PARTICULAR PURPOSE.

3.2 IN NO EVENT SHALL ANY C4T PARTY BE LIABLE FOR ANY DAMAGES WHATSOEVER (INCLUDING, WITHOUT LIMITATION, INCIDENTAL AND CONSEQUENTIAL DAMAGES, LOST PROFITS, OR DAMAGES RESULTING FROM LOST DATA OR BUSINESS INTERRUPTION) RESULTING FROM THE USE OR INABILITY TO USE THE WEB SITE AND THE CONTENT, WHETHER BASED ON WARRANTY, CONTRACT, TORT (INCLUDING NEGLIGENCE), OR ANY OTHER LEGAL THEORY, EVEN IF SUCH C4T PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.

3.3 Some jurisdictions do not allow exclusion of implied warranties or limitation of liability, so the above limitations or exclusions may not apply to you. IN SUCH JURISDICTIONS, THE LIABILITY OF THE C4T PARTIES SHALL BE LIMITED TO THE GREATEST EXTENT PERMITTED BY LAW.

4. Indemnification

You agree to defend, indemnify, and hold harmless the C4T Parties from and against any claims, actions or demands, including, without limitation, reasonable legal and accounting fees, arising or resulting from your breach of this Agreement or your access to, use or misuse of the Content or Web Site. C4T shall provide notice to you of any such claim, suit, or proceeding. C4T reserves the right to assume the exclusive defense and control of any matter which is subject to indemnification under this section. In such case, you agree to cooperate with any reasonable requests assisting C4T’s defense of such matter. Notwithstanding the foregoing, you will have no obligation to indemnify or hold harmless any of the C4T Parties from or against any losses, damages, expenses or costs incurred as a result of any action or inaction of such C4T Parties.

5. Termination of the Agreement.

5.1 C4T reserves the right, in its sole discretion, to restrict, suspend, or terminate this Agreement and your access to all or any part of the Web Site or the Content at any time and for any reason without prior notice or liability. C4T reserves the right to change, suspend, or discontinue all or any part of the Web Site or the Content at any time without prior notice or liability.

5.2 Sections 2 (Use of the Web Site), 3 (Limitation of Liability and Disclaimer of Warranties), 4 (Indemnification), 5 (Termination of Agreement), 6 (User Must Comply with Applicable Laws), 8 (No Medical or Professional Services Advice) and 9 (Miscellaneous) shall survive the termination of this Agreement.

6. User Must Comply with Applicable Laws.

6.1 This Web Site is operated by C4T from its offices in Watertown, MA, USA. Whether accessing this Web Site or Content inside or outside of the United States, you are solely responsible for ensuring compliance with the laws of your specific jurisdiction. This Web Site is not intended for children.

6.2 You expressly agree to comply with any restrictions on the export of products and information and not to export or re-export any of the Content to countries or persons prohibited under export control laws. By downloading the Content, you are expressly agreeing that you are not in a country where such export is prohibited or are a person or entity for which such export is prohibited. You are solely responsible for compliance with the laws of your specific jurisdiction regarding the import, export, or re-export of the Content.

7. U.S. Government Restricted Rights.

The Content is provided with “RESTRICTED RIGHTS.” Use, duplication, or disclosure by the Government is subject to the restrictions contained in 48 CFR 52.227-19 and 48 CFR 252.227-7013 et seq. or its successor. Use of the Web Site or Content by the Government constitutes acknowledgement of our proprietary rights in the Web Site and Content.

8. No Medical or Professional Services Advice

Our Web Site does not provide medical, healthcare or other professional advice. The information provided on our Web Site is intended for informational purposes only. This information is not a substitute for actual medical care or for the advice provided by your own doctor or other medical professional. Persons requiring diagnosis or treatment, or who have specific questions related to their condition or care, are urged to contact their health care provider.

9. Miscellaneous.

This Agreement is governed by the substantive laws of the United States of America and the Commonwealth of Massachusetts, without respect to its conflict of laws provisions. You expressly agree to submit to the exclusive personal jurisdiction of the state and federal courts sitting in the City of Boston in the Commonwealth of Massachusetts.

If any provision of this Agreement is found to be invalid by any court having competent jurisdiction, the invalidity of such provision shall not affect the validity of the remaining provisions of this Agreement, which shall remain in full force and effect. Failure of C4T to act on or enforce any provision of the Agreement shall not be construed as a waiver of that provision or any other provision in this Agreement. No waiver shall be effective against C4T unless made in writing, and no such waiver shall be construed as a waiver in any other or subsequent instance. Except as expressly agreed by C4T and you, this Agreement constitutes the entire Agreement between you and C4T with respect to the subject matter, and supersedes all previous or contemporaneous agreements, whether written or oral, between the parties with respect to the subject matter.

The section headings are provided merely for convenience and shall not be given any legal import. This Agreement will inure to the benefit of our successors, assigns, licensees, and sublicensees. Any information submitted or provided by you to the Web Site might be publicly accessible. Important and private information should be protected by you. C4T is not liable for protection of privacy of electronic mail or other information transferred through the Internet or any other network that you may use.

10. Questions

If you have any questions about this Agreement, please contact us by visiting https://c4therapeutics.com/contact-us.

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Terms of Use Agreement Last Revised: November 10, 2022