EX-99.S 3 c53132exv99ws.htm EX-99.S

exv99ws

Exhibit s

POWER OF ATTORNEY

     The person whose signature appears below hereby appoints John P. Calamos, Sr., Nimish S. Bhatt and Stathy Darcy and each of them, any of whom may act without the joinder of the others, as such person’s attorney-in-fact to sign and file on such person’s behalf individually and in the capacity stated below such registration statements, amendments, post-effective amendments, exhibits, applications and other documents with the Securities and Exchange Commission or any other regulatory authority as may be desirable or necessary in connection with the public offering of securities of Calamos Global Total Return Fund.

Signature		Title		Date
/s/ John E. Neal John E. Neal		Trustee		December 20, 2007

POWER OF ATTORNEY

     The person whose signature appears below hereby appoints John P. Calamos, Sr., Nimish S. Bhatt and Stathy Darcy and each of them, any of whom may act without the joinder of the others, as such person’s attorney-in-fact to sign and file on such person’s behalf individually and in the capacity stated below such registration statements, amendments, post-effective amendments, exhibits, applications and other documents with the Securities and Exchange Commission or any other regulatory authority as may be desirable or necessary in connection with the public offering of securities of Calamos Global Total Return Fund.

Signature		Title		Date
/s/ Weston W. Marsh Weston W. Marsh		Trustee		December 20, 2007

POWER OF ATTORNEY

     The person whose signature appears below hereby appoints John P. Calamos, Sr., Nimish S. Bhatt and Stathy Darcy and each of them, any of whom may act without the joinder of the others, as such person’s attorney-in-fact to sign and file on such person’s behalf individually and in the capacity stated below such registration statements, amendments, post-effective amendments, exhibits, applications and other documents with the Securities and Exchange Commission or any other regulatory authority as may be desirable or necessary in connection with the public offering of securities of Calamos Global Total Return Fund.

Signature		Title		Date
/s/ William R. Rybak William R. Rybak		Trustee		December 20, 2007

POWER OF ATTORNEY

     The person whose signature appears below hereby appoints John P. Calamos, Sr., Nimish S. Bhatt and Stathy Darcy and each of them, any of whom may act without the joinder of the others, as such person’s attorney-in-fact to sign and file on such person’s behalf individually and in the capacity stated below such registration statements, amendments, post-effective amendments, exhibits, applications and other documents with the Securities and Exchange Commission or any other regulatory authority as may be desirable or necessary in connection with the public offering of securities of Calamos Global Total Return Fund.

Signature		Title		Date
/s/ Stephen B. Timbers Stephen B. Timbers		Trustee		December 20, 2007

POWER OF ATTORNEY

     The person whose signature appears below hereby appoints John P. Calamos, Sr., Nimish S. Bhatt and Stathy Darcy and each of them, any of whom may act without the joinder of the others, as such person’s attorney-in-fact to sign and file on such person’s behalf individually and in the capacity stated below such registration statements, amendments, post-effective amendments, exhibits, applications and other documents with the Securities and Exchange Commission or any other regulatory authority as may be desirable or necessary in connection with the public offering of securities of Calamos Global Total Return Fund.

Signature		Title		Date
/s/ David D. Tripple David D. Tripple		Trustee		December 20, 2007