POWER OF ATTORNEY
                                      WILLIAM H. GROSS

      The undersigned hereby constitutes and appoints the individuals named on Schedule A
attached hereto and as may be amended from time to time, or any of them signing singly, with
full power of substitution and resubstitution, the undersigned's true and lawful attorney in
fact to:

      1.  as may be required, prepare, execute in the undersigned's name and on the
          undersigned's behalf, and submit to the United States Securities and Exchange
          Commission (the "SEC") a Form ID, including amendments thereto, and any
          other documents necessary or appropriate to obtain codes and passwords
          enabling the undersigned to make electronic filings with the SEC of reports
          required by Section 16(a) of the Securities Exchange Act of 1934, as amended,
          or any rule or regulation of the SEC;

      2.  execute for and on behalf of the undersigned, in the undersigned's capacity as a
          Section 16 reporting person of the applicable registered investment companies
          (and any successor companies) listed on Schedule A attached hereto, as amended
          from time to time, and any other registered investment company affiliated with
          or established by Pacific Investment Management Company LLC (PIMCO), for
          which the undersigned becomes a Section 16 reporting person (each, a "Trust"),
          Forms 3, 4, and 5 in accordance with Section 16 of the Securities Exchange Act
          of 1934, as amended, and the rules thereunder,

      3.  do and perform any and all acts for and on behalf of the undersigned which may
          be necessary or desirable to complete and execute any such Form 3, 4, or 5,
          complete and execute any amendment or amendments thereto, and timely file
          such form with the SEC and any stock exchange or similar authority, and

      4.  take any other action of any type whatsoever in connection with the foregoing
          which, in the opinion  of such attorney in fact, may be of benefit to, in the best
          interest of, or legally required by, the undersigned, it being understood that the
          documents executed by such attorney in fact on behalf of the undersigned
          pursuant to this Power of Attorney shall be in such form and shall contain such
          terms and conditions as such attorney in fact may approve in such attorney in
          facts discretion.

      The undersigned hereby grants to each such attorney in fact full power and authority
to do and perform any and every act and thing whatsoever requisite, necessary, or proper to
be done in the exercise of any of the rights and powers herein granted, as fully to all
intents and purposes as the undersigned might or could do if personally present, with full
power of substitution and resubstitution or revocation, hereby ratifying and confirming all
that such attorney in fact, or such attorney in facts substitute or substitutes, shall
lawfully do or cause to be done by virtue of this Power of Attorney and the rights and powers
herein granted.  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 any
Trust 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 any Trust, unless earlier revoked by the
undersigned in a signed writing delivered to the foregoing attorneys in fact.

      IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to be
executed as of this 5th day of December, 2008.


                                                      /s/ WILLIAM H. GROSS





                                         SCHEDULE A

                                    FUND NAME AND SYMBOL


1.	PIMCO CALIFORNIA MUNICIPAL INCOME FUND II  (PCK)
2.	PCM FUND, INC.  (PCM)
3.	PIMCO CORPORATE INCOME FUND  (PCN)
4.	PIMCO CALIFORNIA MUNICIPAL INCOME FUND  (PCQ)
5.	PIMCO INCOME STRATEGY FUND  (PFL)
6.	PIMCO INCOME STRATEGY FUND II  (PFN)
7.	PIMCO GLOBAL STOCKSPLUS & INCOME FUND  (PGP)
8.	PIMCO HIGH INCOME FUND  (PHK)
9.	PIMCO INCOME OPPORTUNITY FUND  (PKO)
10.	PIMCO MUNICIPAL INCOME FUND  (PMF)
11.	PIMCO MUNICIPAL INCOME FUND II  (PML)
12.	PIMCO MUNICIPAL INCOME FUND III  (PMX)
13.	PIMCO NEW YORK MUNICIPAL INCOME FUND  (PNF)
14.	PIMCO NEW YORK MUNICIPAL INCOME FUND II  (PNI)
15.	PIMCO CORPORATE OPPORTUNITY FUND  (PTY)
16.	PIMCO NEW YORK MUNICIPAL INCOME FUND III  (PYN)
17.	PIMCO CALIFORNIA MUNICIPAL INCOME FUND III  (PZC)
18.	PIMCO STRATEGIC GLOBAL GOVERNMENT FUND INC  (RCS)
19.	MONTGOMERY STREET INCOME SECURITIES, INC. (MTS)



                         INDIVIDUALS APPOINTED AS ATTORNEY-IN-FACT,
                     WITH FULL POWER OF SUBSTITUTION AND RESUBSTITUTION

1.	JENNIFER DURHAM, EXECUTIVE VICE PRESIDENT
2.	KEVIN BROADWATER, EXECUTIVE VICE PRESIDENT
3.	STEVEN LUDWIG, SENIOR VICE PRESIDENT
4.	MICHAEL FLAHERTY, SENIOR COMPLIANCE OFFICER