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Filing Details

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
767920	Pmc Sierra Inc	PMCS	Semiconductors & Related Devices (3674)	942925073

Insiders

Cik	Name	Reported Address	Director	Officer	Large Shareholder	Other
947324	H David Batchelder	12400 High Bluff Drive, Suite 600 San Diego CA 92130	No	No	Yes	No
1047644	Relational Investors Llc	12400 High Bluff Drive, Suite 600 San Diego CA 92130	No	No	Yes	No
1052622	V Ralph Whitworth	12400 High Bluff Drive, Suite 600 San Diego CA 92130	No	No	Yes	No

Reported Non-Derivative Transactions

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Common Stock	Acquisiton	2013-08-15	399,111	$6.28	22,707,319	No	4	P	Indirect	Through Limited Partnerships and managed accounts managed by reporting persons
Common Stock	Acquisiton	2013-08-16	1,200	$6.25	22,708,519	No	4	P	Indirect	Through Limited Partnerships and managed accounts managed by reporting persons
Common Stock	Acquisiton	2013-08-19	99,000	$6.25	22,807,519	No	4	P	Indirect	Through Limited Partnerships and managed accounts managed by reporting persons

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	P	Indirect	Through Limited Partnerships and managed accounts managed by reporting persons
No	4	P	Indirect	Through Limited Partnerships and managed accounts managed by reporting persons
No	4	P	Indirect	Through Limited Partnerships and managed accounts managed by reporting persons

Footnotes

Relational Investors LLC ("RILLC"), is the general partner of Relational Investors Mid-Cap Fund I, L.P., Relational Investors Mid-Cap Fund II, L.P., Relational Fund Partners, L.P., Relational Coast Partners, L.P., RH Fund 1, L.P., Relational Investors IX, L.P., Relational Investors XV, L.P., Relational Investors XVI, L.P., Relational Investors XX, L.P., Relational Investors XXIII, L.P. and Relational Investors XXIV, L.P.
These Limited Partnerships own a total of 20,161,541 shares. An additional 2,645,978 shares are held in accounts managed by RILLC. All shares are owned indirectly by RILLC. RILLC is managed by Ralph V. Whitworth and David H. Batchelder, each of which is a reporting person hereunder. Ralph V. Whitworth and David H. Batchelder disclaim beneficial ownership of these securities except to the extent of their pecuniary interest therein.
The price in column 4 is a weighted average price. The prices actually paid ranged from $6.25 to $6.30. Upon request, the reporting persons will provide to the Issuer, any security holder of the Issuer, or the SEC staff information regarding the number of shares purchased at each price within the range.