As filed with the Securities and Exchange Commission on December 03, 2012

1933 Act File No. 033-57986

1940 Act File No. 811-07470

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM N-1A

REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933			x
	Pre-Effective Amendment No. ____	¨
	Post-Effective Amendment No. 66	x
and/or
REGISTRATION STATEMENT UNDER THE INVESTMENT COMPANY ACT OF 1940			x
	Amendment No. 67	x
(Check appropriate box or boxes.)

EAGLE SERIES TRUST

(Exact name of Registrant as Specified in Charter)

880 Carillon Parkway

St. Petersburg, FL 33716

(Address of Principal Executive Office) (Zip Code)

Registrant’s Telephone Number, including Area Code: (727) 567-8143

SUSAN L. WALZER, PRINCIPAL EXECUTIVE OFFICER

880 Carillon Parkway

St. Petersburg, FL 33716

(Name and Address of Agent for Service)

Copy to:

FRANCINE J. ROSENBERGER, ESQ.

K&L Gates LLP

1601 K Street, NW

Washington, D.C. 20006-1600

It is proposed that this filing will become effective (check appropriate box)

x immediately upon filing pursuant to paragraph (b)

¨ on (date) pursuant to paragraph (b)

¨ 60 days after filing pursuant to paragraph (a)(1)

¨ On (date) pursuant to paragraph (a)(1)

¨ 75 days after filing pursuant to paragraph (a)(2)

¨ on (date) pursuant to paragraph (a)(2) of Rule 485.

If appropriate, check the following box:

¨ This post-effective amendment designates a new effective date for a previously filed post-effective amendment.

This amendment is being filed solely to submit exhibits containing risk/return summary information in interactive data format that is identical to the risk/return information contained in the Registrant’s prospectus that was filed with the Securities and Exchange Commission in Post-Effective Amendment No. 65 to the Registrant’s registration statement on October 25, 2012.

SIGNATURES

Pursuant to the requirements of the Securities Act of 1933, as amended, and the Investment Company Act of 1940, as amended, the Registrant certifies that it meets all of the requirements for effectiveness of this amendment to its Registration Statement pursuant to Rule 485(b) under the Securities Act of 1933 and has duly caused this Post-Effective Amendment No. 66 to its Registration Statement on Form N-1A to be signed on its behalf by the undersigned, thereunto duly authorized, in the City of St. Petersburg and the State of Florida, on the day of December 03, 2012.

EAGLE SERIES TRUST
By:	/s/ Susan L. Walzer
	Susan L. Walzer
	Principal Executive Officer

Pursuant to the requirements of the Securities Act of 1933, as amended, this Post-Effective Amendment No. 66 to the Registration Statement has been signed below by the following persons in the capacities and on the date indicated.

Signature	Title	Date
/s/ Susan L. Walzer Susan L. Walzer	Principal Executive Officer	December 03, 2012
/s/ James L. Pappas* James L. Pappas	Chairman of the Board	December 03, 2012
/s/ J. Cooper Abbott J. Cooper Abbott	Trustee	December 03, 2012
/s/ Keith B. Jarrett* Keith B. Jarrett	Trustee	December 03, 2012
/s/ Lincoln Kinnicutt* Lincoln Kinnicutt	Trustee	December 03, 2012
/s/ William J. Meurer* William J. Meurer	Trustee	December 03, 2012
/s/ Deborah L. Talbot* Deborah L. Talbot	Trustee	December 03, 2012
/s/ Ana Borisova Ana Borisova	Interim Principal Financial Officer	December 03, 2012

*By:	/s/ Richard J. Rossi
	Richard J. Rossi,
	Attorney-In-Fact

Exhibit Index

Type	Description
EX-101.INS	XBRL Instance Document
EX-101.SCH	XBRL Taxonomy Extension Schema Document
EX-101.DEF	XBRL Taxonomy Extension Definition Linkbase
EX-101.LAB	XBRL Taxonomy Extension Labels Linkbase
EX-101.PRE	XBRL Taxonomy Extension Presentation Linkbase