Mentor Graphics Corporation [private] Wilsonville, OR 97070-7777 [private] www.mentor.com March 30, 2011 Via Electronic Mail Only GitHub Inc Attn: DMCA Takedown 589 Howard St., 4th Floor San Francisco, CA 94105 copyright@github.com Re: Notice to Takedown Infringing Works under Provisions of the Digital Millennium Copyright Act MGC Ref No.: L10189 Dear GitHub, On behalf of the copyright holder, I notify you of content you host that infringes upon one or more copyrighted works, as provided by 17 U.S.C. § 512(c)(3), in the format specified by you. 1. The copyrighted works infringed upon are the Nucleus® real time operating system, both source code and related documentation. 2. All material available at the following address infringes Mentor Graphics Corporations copyrighted works. 3. GitHub Inc. may contact the copyright holder through me at the following address. [private] 4. The owner/administrator of the infringing works is unknown to Mentor Graphics Corporation. 5. I have a good faith belief that use of the copyrighted materials described above on the infringing web pages is not authorized by the copyright owner, or its agent, or the law. 6. I swear that the information in this notification is accurate, and under penalty of perjury, that I am authorized to act on behalf of the owner of an exclusive right to the allegedly infringed works. Sincerely, [private] Dated: March 30, 2011