SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE TO

TENDER OFFER STATEMENT UNDER SECTION 14(d)(1) OR 13(e)(1)
OF THE SECURITIES EXCHANGE ACT OF 1934

HCC INSURANCE HOLDINGS, INC.

HCC INSURANCE HOLDINGS, INC.

Transaction Valuation*		Amount of Filing Fee**
$170,560,038		$5,236.19

*		Calculated solely for purposes of determining the filing fee. The purchase price of the 2.00% Convertible Exchange Notes Due 2021 (the “Securities”), as described herein, is $1,001.28 per $1,000 principal amount of the Securities outstanding. As of August 20, 2007 there was $170,342,000 in aggregate principal amount of the Securities outstanding, resulting in an aggregate maximum purchase price of $170,560,038.
**		The amount of the filing fee, calculated in accordance with Rule 0-11 of the Securities Exchange Act of 1934, as amended, equals $30.70 for each $1,000,000 of the value of the transaction.

o		Check the box if any part of the fee is offset as provided by Rule 0-11(a)(2) and identify the filing with which the offsetting fee was previously paid. Identify the previous filing by registration statement number, or the Form or Schedule and the date of its filing.
		Amount Previously Paid: Not applicable                                                            Filing Party: Not applicable
		Form or Registration No.: Not applicable                                                            Date Filed: Not applicable
o		Check the box if the filing relates solely to preliminary communications made before the commencement of a tender offer.

Check the appropriate boxes to designate any transactions to which the statement relates:

	o		third party tender offer subject to Rule 14d-1.
	þ		issuer tender offer subject to Rule 13e-4.
	o		going-private transaction subject to Rule 13e-3.
	o		amendment to Schedule 13D under Rule 13d-2.

Check the following box if the filing is a final amendment reporting the results of the tender offer. o

 

 

INTRODUCTORY STATEMENT

     This Tender Offer Statement on Schedule TO-I (“Schedule TO-I”) is filed by HCC Insurance Holdings, Inc., a Delaware corporation (the “Company”), and relates to the offer by the Company to purchase, at the option of the holder thereof (the “Holder”), all outstanding 2.00% Convertible Exchange Notes Due 2021 issued by the Company (the “Securities”), upon the terms of and subject to the conditions set forth in, the Third Supplemental Indenture, dated as of November 23, 2004, and the related Indenture, dated as of August 23, 2001 (collectively, the “Indenture”), between the Company and Wachovia Bank, National Association (as successor to First Union National Bank), a national banking corporation duly organized and existing under the laws of the United States of America, as trustee, with U.S. Bank National Association, a national banking association organized and existing under the laws of the United States of America as successor trustee (the “Trustee”), the Company Notice to Holders of 2.00% Convertible Exchange Notes Due 2021, dated August 23, 2007 (the “Company Notice”), and the related notice materials filed as exhibits to this Schedule TO-I (which Company Notice and related notice materials, as amended or supplemented from time to time, collectively constitute the “Put Option”).

     This Schedule TO-I is intended to satisfy the disclosure requirements of Rule 13e-4(c)(2) under the Securities Exchange Act of 1934, as amended.

Items 1 through 9.

     The Company is the issuer of the Securities and is obligated to purchase all of the Securities if validly tendered by the holders under the terms and subject to the conditions set forth in the Put Option. The Securities are convertible into shares of common stock, $1.00 par value per share, of the Company, if any, subject to the terms, conditions, and adjustments specified in the Indenture and the Securities. The Company maintains its registered and principal executive offices at 13403 Northwest Freeway, Houston, Texas 77040, and the telephone number there is (713) 690-7300. As permitted by General Instruction F to Schedule TO, all of the information set forth in the Put Option is incorporated by reference into this Schedule TO-I.

Item 10. Financial Statements.

     (a) Pursuant to Instruction 2 to Item 10 of Schedule TO, the Company’s financial condition is not material to a Holder’s decision whether to put the Securities to the Company because (i) the consideration being paid to Holders surrendering Securities consists solely of cash, (ii) the Put Option is not subject to any financing conditions, (iii) the Put Option applies to all outstanding Securities, and (iv) the Company is a public reporting company that files reports electronically on EDGAR. The financial condition and results of operations of the Company and its subsidiaries are reported electronically on EDGAR on a consolidated basis.

     (b) Not applicable.

Item 11. Additional Information.

     (a) Not applicable.

     (b) Not applicable.

Item 12. Exhibits.

	(a)(1)(A)		Company Notice to Holders of 2.00% Convertible Exchange Notes Due 2021, dated August 23, 2007.
	(a)(1)(B)		Form of Substitute Form W-9.
	(b)		Not applicable.

	(d)(1)		Third Supplemental Indenture dated November 23, 2004 between the Company and Wachovia Bank, National Association, incorporated by reference to Exhibit 10.20 to the Company’s Annual Report on Form 10-K for the fiscal year ended December 31, 2004.
	(d)(2)		Indenture dated August 23, 2001 between the Company and First Union National Bank, incorporated by reference to Exhibit 4.1 to the Company’s Current Report on Form 8-K filed with the Securities and Exchange Commission on August 24, 2001.
	(g)		Not applicable.
	(h)		Not applicable.

Item 13. Information Required by Schedule 13E-3.

     Not applicable.

SIGNATURE

     After due inquiry and to the best of my knowledge and belief, I certify that the information set forth in this Schedule TO is true, complete, and correct.

		HCC INSURANCE HOLDINGS, INC.
		/s/ Frank J. Bramanti   Frank J. Bramanti
		Chief Executive Officer

Date: August 23, 2007

Index to Exhibits

Exhibit Number		Description
(a)(1)(A)		Company Notice to Holders of 2.00% Convertible Exchange Notes Due 2021, dated August 23, 2007.
(a)(1)(B)		Form of Substitute Form W-9.
(d)(1)		Third Supplemental Indenture dated November 23, 2004 between the Company and Wachovia Bank, National Association, incorporated by reference to Exhibit 10.20 to the Company’s Annual Report on Form 10-K for the fiscal year ended December 31, 2004.
(d)(2)		Indenture dated August 23, 2001 between the Company and First Union National Bank, incorporated by reference to Exhibit 4.1 to the Company’s Current Report on Form 8-K filed with the Securities and Exchange Commission on August 24, 2001.