AMENDMENT 1 TO SEMICONDUCTOR PATENT LICENSE AGREEMENT

This AMENDMENT 1 TO SEMICONDUCTOR PATENT LICENSE AGREEMENT (“Amendment”), effective as of the date of the later signature below (the “Amendment Effective Date”), is made by and between Rambus Inc., a corporation duly organized and existing under the laws of Delaware, U.S.A., having its principal place of business at 1050 Enterprise Way, Suite #700, Sunnyvale, California 94089, U.S.A., (hereinafter “Rambus”) and SK hynix Inc., a corporation duly organized and existing under the laws of Korea., having its principal place of business at 2091, Gyeongchung-daero, Bubal-eub, Icheon-si, Gyeonggi-do, Korea (hereinafter “SK hynix”) and amends that certain Semiconductor Patent License Agreement between the parties with an effective date of July 1, 2013 (such agreement, the “Agreement”).

WHEREAS, in light of unforeseen circumstances, the parties desire to amend and supplement the Agreement in accordance with the terms and conditions contained herein.

NOW, THEREFORE, in consideration of the mutual covenants and premises contained herein, and other valuable consideration, the receipt and sufficiency of which is hereby acknowledged by the parties, the parties agree as follows:

“1.18 “Expiration Date” means either:

(a) July 1, 2024 (at 12:00 a.m., Pacific Daylight Time); or

(b) July 1, 2027 (at 12:00 a.m., Pacific Daylight Time) if SK hynix elects to exercise its option to make such later date the Expiration Date by providing Rambus with a written notice of such election by no later than the earlier of:

(i) [***]; and

(ii) March 31, 2024.”

“1.27 “Integrated Circuit” means a single, discrete integrated circuit chip, in any form factor, including wafer, cingulated die, or packaged die, such as, without limitation, packaged system-on-chips (SOCs), package-on-packages (POPs), package-in-packages (PIPs), memory cards, smart cards, and solid-state drives (SSDs).”

“1.37 “Paid-up Product” means (a) each SK hynix Product that is an SDR DRAM or LPSDR DRAM, and (b) each double-data rate DRAM (including each graphics-based and low-power DRAM) that (i) implements the minimum set of features, parameters, and protocols defined or recommended in any JEDEC published specification for such double-data rate DRAM, (ii) is solely capable of communicating with any other Integrated Circuit through the protocol defined or recommended in such JEDEC-published specification, and (iii) has been sold in arms-length transactions to Third Parties by SK hynix and/or one or more of its Subsidiaries prior to September 30, 2019 (if SK hynix fails to provide Rambus with a written notice of its election to exercise its option to make July 1, 2027 the Expiration Date in accordance with Section 1.18 above) or September 30, 2022 (if SK hynix has provided Rambus with a written notice of its election to exercise its option to make July 1, 2027 the Expiration Date in accordance with Section 1.18 above) [***]. Notwithstanding the foregoing sentence, any product that constitutes a Rambus Leadership Product, and each physical instantiation thereof, shall be deemed not to be a Paid-up Product.”

“1.59 “SK hynix Product” means, an Integrated Circuit or Component, for which SK hynix or any of its Subsidiaries either:

“1.66 “Term Product” means each SK hynix Product that is an (a) Other DRAM; (b) DRAM Controller; (c) Synchronous Flash Memory; (d) Synchronous Flash Controller; (e) SerDes IC; and (f) any other Integrated Circuit or Component other than a Paid-Up Product. Notwithstanding the foregoing sentence, any product that constitutes a Rambus Leadership Product shall be deemed not to be a Term Product.”

“4.1 Quarterly License Payment. For each calendar quarter that occurs between the Effective Date and the Expiration Date, SK hynix will pay to Rambus a quarterly license payment of twelve million United States Dollars (US$12,000,000; each such payment, a “Quarterly License Payment”), provided that:

“Starting with the Quarterly License Payment associated with the fourth calendar quarter of 2013, SK hynix shall pay Rambus each subsequent Quarterly License Payments within ten (10) United States business days of its receipt (as determined for notices under Section 9.2) of Rambus’ invoice therefor. Rambus shall invoice SK hynix for each of the subsequent Quarterly License Payments no earlier than thirty (30) days after the first day of the quarter to which each such Quarterly License Payment relates.”

“5.3 Taxes. Upon Rambus’ written request and at Rambus’ expenses, SK hynix shall reasonably assist Rambus in a dispute between Rambus and the Korea National Tax Authority with respect to refund of the withholding tax remitted in relation to this section.”

“[***]”

“[***]”

“Notwithstanding the foregoing, SK hynix shall be entitled to, and Rambus hereby agrees to, assign this Agreement to a successor to all or substantially all of SK hynix’s DRAM assets, provided that (a) SK hynix is not in breach of, and has not breached, this Agreement as of the date of such assignment and (b) such successor agrees in writing with Rambus to be bound, as if it were SK hynix, by this Agreement as so assigned.”

By: /s/ Kevin Donnelly        By: /s/ Kyung-hyun Min

Name: Kevin Donnelly        Name: Kyung-hyun Min

Title: Senior Vice President    Title: Vice President, General Counsel

Date: June 15, 2015        Date: June 17, 2015