(last updated December 16, 2014)

Mast Therapeutics, Inc. respects the privacy of visitors to this website. We will only collect personally identifiable information (“PII”), such as your name, address, telephone number, or e-mail address, through this website when it is voluntarily submitted to us. Mast Therapeutics, Inc. and/or the companies we engage will use this information to comply with your request for information or as otherwise disclosed to you when you submit your information. We may use the information to contact you. We reserve the right to enhance our use of the personally identifiable information you provide at any time, but any change in our use of such information will be disclosed in this privacy statement. We will not sell or otherwise transfer the personally identifiable information you provide at this website to any third party unless otherwise disclosed to you when you submit your information. We may collect, use, share, and transfer non-PII and permit others to do so, as permitted by applicable law. Examples include collecting device and usage information to improve our website and your experienced on it. This may be done automatically and passively through cookies and other technologies.

From time to time, we may be required by law enforcement or judicial authorities to provide the personally identifiable information you provide through this website to the appropriate governmental authorities. We will disclose such information upon receipt of a court order or subpoena or to cooperate with a law enforcement investigation. We fully cooperate with law enforcement agencies in identifying those who use our services for illegal or fraudulent activities. We reserve the right to report to law enforcement agencies any activities that we in good faith believe to be unlawful. Moreover, we may release personally identifiable information you provide through this website when we believe that such release is reasonably necessary to enforce or apply the Terms and Conditions of Use of this website, establish or exercise our legal rights or defend against legal claims or to protect the rights, property and safety of our users, others and ourselves.

This website is intended for use by adults and young adults only. It is currently our policy not to collect personally identifiable information from any person under 18, except as provided in our Children’s Privacy Policy. If we learn, other than as permitted in our Children’s Privacy Policy, that we have inadvertently gathered personally identifiable information from children under 18, we shall attempt to notify such child’s parent or guardian and erase such information from our records, unless the child’s parent or guardian consents to our maintaining such information. If a parent or guardian has reason to believe that a child has provided us with personally identifiable information, the parent or guardian should contact us as provided on the Contact section of this website.

As a convenience to our visitors, this website may contain links to a number of websites that we believe may offer useful information. The privacy policies and procedures described herein do not apply to those websites. We suggest contacting those websites directly for information on their data collection and distribution policies. See also “Links to Other Sites” under the Terms and Conditions of Use for this website.

We reserve the right to change this statement at any time and from time to time and in our sole discretion, but will alert you that changes have been made by indicating in this statement the date it was last updated. When you visit our website, you are accepting the current version of this statement as posted on our website at that time. We recommend that you revisit this statement on occasion to learn of any changes.