X0306 4 2014-04-15 0001267902 WESTERN ASSET/CLAYMORE INFLATION-LINKED OPPORTUNITIES & INCOME FUND WIW 0001052192 CASCADE INVESTMENT LLC 2365 CARILLON POINT KIRKLAND WA 98033 1 0000902012 GATES WILLIAM H III ONE MICROSO REDMOND WA 98052 1 Common Stock 2014-04-15 4 P 0 18424.0000 11.7681 A 9389990.0000 D This transaction was executed in multiple trades at prices ranging from $11.7550 to $11.7700. The price reported above reflects the weighted-average price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transactions were effected. Includes 818,102 shares acquired pursuant to the Issuer's dividend reinvestment plan since the filing of the last Form 4. (a) Duly authorized under Special Limited Power of Attorney appointing Alan Heuberger attorney-in-fact, dated October 11, 2013, by and on behalf of Michael Larson, filed as Exhibit 99.1 to Amendment No. 9 to Cascade's Schedule 13D with respect to Western Asset/Claymore Inflation-Linked Opportunities & Income Fund on December 11, 2013, SEC File No. 005-81261, and incorporated by reference herein. /s/ Alan Heuberger, Attorney-in-fact for Michael Larson, Business Manager of Cascade Investment, L.L.C. (a) 2014-04-17 /s/ Alan Heuberger, Attorney-in-fact for William H. Gates III 2014-04-17