Statement of Changes in Beneficial Ownership (4)

POWER OF ATTORNEY
      The undersigned, as a Section 16 reporting person of Altera Corporation
(the "Company"), hereby constitutes and appoints Katherine Schuelke, Kimberly
Peterson, Brent Bowman and Jonna Anderson as the undersigned's true and lawful
attorneys-in-fact to: 

	1.	complete and execute Forms 3, 4 and 5 and other forms and all
amendments thereto as such attorneys-in-fact shall in their discretion 
determine to be required or advisable pursuant to Section 16 of the Securities
Exchange Act of 1934 (as amended) and the rules and regulations promulgated 
thereunder, or any successor laws and regulations, as a consequence of the 
undersigned's ownership, acquisition or disposition of securities of the
Company; and

	2.	do all acts necessary in order to file such forms with the 
Securities and Exchange Commission, any securities exchange or national
association, the Company and such other person or agency as the attorneys-in-
fact shall deem appropriate.

      The undersigned hereby ratifies and confirms all that said attorneys-
in-fact and agents shall do or cause to be done by virtue hereof.  The 
undersigned acknowledges that the foregoing attorneys-in-fact, in serving in
such capacity at the request of the undersigned, are not assuming, nor is the
Company assuming, any of the undersigned's responsibilities to comply with
Section 16 of the Securities Exchange Act of 1934 (as amended).

      This Power of Attorney shall remain in full force and effect until the
undersigned is no longer required to file Forms 3, 4 and 5 with respect to 
the undersigned's holdings of and transactions in securities issued by the 
Company, unless earlier revoked by the undersigned in a signed writing 
delivered to the Company and the foregoing attorneys-in-fact.
 
      IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney
to be executed as of this 10 day of October, 2015.

					Signature: /s/ Krish A. Prabhu	
					Print Name:  Krish A. Prabhu