STR SC TO-I/A Issuer tender offer statement (amended)

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Exhibit (a)(1)(I)

NOTICE OF GUARANTEED DELIVERY
(Not to be used for Signature Guarantee)
for
Tender of Shares of Common Stock
of
STR Holdings, Inc.

Pursuant to its Amended Offer to Purchase for Cash Dated February 18, 2014

Up to $30,000,000 in Value of Shares

At a Purchase Price of Not Greater Than $1.54 Per Share Nor Less Than $1.35 Per Share

THE OFFER, PRORATION PERIOD AND WITHDRAWAL RIGHTS WILL EXPIRE AT 11:59 P.M., NEW YORK CITY TIME, ON MARCH 3, 2014, UNLESS THE OFFER IS EXTENDED OR WITHDRAWN (SUCH DATE, AS IT MAY BE EXTENDED, THE "EXPIRATION DATE").

THE OFFER TO PURCHASE AND THE RELATED LETTER OF TRANSMITTAL CONTAIN IMPORTANT INFORMATION, AND YOU SHOULD CAREFULLY READ BOTH IN THEIR ENTIRETY BEFORE MAKING A DECISION WITH RESPECT TO THE OFFER. YOU MAY TENDER ALL OR A PORTION OF YOUR SHARES OF COMMON STOCK. YOU ALSO MAY CHOOSE NOT TO TENDER ANY OF YOUR SHARES OF COMMON STOCK.

        As set forth in Section 3 of the Offer to Purchase (as defined below) this form must be used to accept the Offer (as defined below) if (1) certificates representing your shares of common stock, par value $0.01 per share (the "Shares"), of STR Holdings, Inc., a Delaware corporation (the "Company"), are not immediately available or cannot be delivered to the Depositary prior to the Expiration Date (or the procedures for book-entry transfer described in the Offer to Purchase and the related Letter of Transmittal (as defined below) cannot be completed on a timely basis), or (2) time will not permit delivery of all required documents, including a properly completed and duly executed Letter of Transmittal, to reach the Depositary prior to the Expiration Date.

        Tendering stockholders may continue to use the Original Letter of Transmittal which was previously circulated. While the Original Letter of Transmittal indicates the Company is offering to pay $1.00 to $1.54 per Share, stockholders using that Letter of Transmittal will nevertheless be subject to the increased minimum of $1.35 per Share, and any Shares previously tendered into the Offer at any price below $1.35 per Share shall be deemed to have been tendered at $1.35 per Share.

        This form, signed and properly completed, may be delivered by mail or overnight delivery to the Depositary. See Section 3 of the Offer to Purchase. All capitalized terms used and not defined herein shall have the same meanings as in the Offer to Purchase.

The Depositary for the Offer is:

Broadridge Corporate Issuer Solutions, Inc.

By First Class Mail:
Broadridge Corporate Issuer Solutions, Inc.
Attn: Corporate Actions Department
P.O. Box 1317
Brentwood, NY 11717 By Registered, Certified or
Express Mail, Overnight Courier:
Broadridge Corporate Issuer Solutions, Inc.
Attn: Corporate Actions Department
1981 Marcus Ave, Suite 100
Lake Success, NY 11042

DELIVERY OF THIS NOTICE OF GUARANTEED DELIVERY TO AN ADDRESS OTHER THAN AS SET FORTH ABOVE, WILL NOT CONSTITUTE A VALID DELIVERY.

For this Notice of Guaranteed Delivery to be validly delivered, it must be received by the Depositary at one of the above addresses prior to the Expiration Date. Deliveries to the Company, to the Dealer Manager, the Information Agent or The Depository Trust Company, the book-entry transfer facility (as described in the Offer to Purchase), will not be forwarded to the Depositary and therefore will not constitute valid delivery.

This Notice of Guaranteed Delivery is not to be used to guarantee signatures. If a signature on a Letter of Transmittal is required to be guaranteed by an Eligible Institution under the instructions in the Letter of Transmittal, the signature guarantee must appear in the applicable space provided in the signature box on the Letter of Transmittal.

Ladies and Gentlemen:

        The undersigned hereby tenders to STR Holdings, Inc., a Delaware corporation (the "Company"), at the price per Share indicated in this Notice of Guaranteed Delivery, on the terms and subject to the conditions set forth in the Amended Offer to Purchase, dated February 18, 2014 (the "Offer to Purchase"), and the related Letter of Transmittal (the "Letter of Transmittal" which, together with the Offer to Purchase, as they may be amended or supplemented from time to time, constitute the "Offer"), receipt of which is hereby acknowledged, the number of Shares set forth below, all pursuant to the guaranteed delivery procedures set forth in Section 3 of the Offer to Purchase. All capitalized terms used and not defined herein shall have the same meanings as in the Offer to Purchase.

Number of Shares to be tendered:                Shares. Unless otherwise indicated, it will be assumed that all Shares are to be tendered.

THE UNDERSIGNED IS TENDERING SHARES AS FOLLOWS (CHECK ONLY ONE BOX):

(1)

AUCTION PRICE TENDER: PRICE (IN DOLLARS) PER SHARE AT WHICH SHARES ARE BEING TENDERED (SEE INSTRUCTION 5 TO THE LETTER OF TRANSMITTAL)




By checking ONE of the following boxes below INSTEAD OF THE BOX UNDER "Purchase Price Tender," the undersigned is tendering Shares at the price checked. This election could mean that none of the Shares will be purchased if the price checked below is higher than the Purchase Price, as determined pursuant to the Offer to Purchase.A STOCKHOLDER WHO WISHES TO TENDER SHARES AT MORE THAN ONE PRICE MUST COMPLETE A SEPARATE NOTICE OF GUARANTEED DELIVERY FOR EACH PRICE AT WHICH SHARES ARE TENDERED (SEE SECTION 3 OF THE OFFER TO PURCHASE AND INSTRUCTION 5 TO THE LETTER OF TRANSMITTAL). The same Shares cannot be tendered at more than one price, unless previously and properly withdrawn as provided in Section 4 of the Offer to Purchase.

AUCTION PRICE TENDER: PRICE (IN DOLLARS) PER SHARE AT WHICH SHARES ARE BEING TENDERED

o	Price $1.35	o	Price $1.40	o	Price $1.45
o	Price $1.50	o	Price $1.54

OR

(2)

PURCHASE PRICE TENDER (SEE INSTRUCTION 6 TO THE LETTER OF TRANSMITTAL)

o

By checking this one box INSTEAD OF ONE OF THE PRICE BOXES UNDER "Auction Price Tender: Price (in Dollars) Per Share at Which Shares Are Being Tendered," the undersigned is tendering Shares and is willing to accept the Purchase Price, as the same shall be determined by the Company, in accordance with the terms of the Offer. This action will maximize the chance of having the Company purchase the Shares pursuant to the Offer (subject to proration). NOTE THAT THIS ELECTION IS DEEMED TO BE A TENDER OF SHARES AT THE MINIMUM PRICE OF $1.35 PER SHARE AND COULD RESULT IN THE TENDERED SHARES BEING PURCHASED AT THE MINIMUM PRICE OF $1.35 PER SHARE (SEE SECTION 3 OF THE OFFER TO PURCHASE AND INSTRUCTION 6 TO THE LETTER OF TRANSMITTAL). Your election or the election of other stockholders to tender Shares pursuant to Purchase Price Tenders could result in the Purchase Price being lower and could result in your Shares being purchased at the minimum price in the Offer.

CHECK ONE, AND ONLY ONE, BOX ABOVE. IF MORE THAN ONE BOX IS CHECKED ABOVE, OR IF NO BOX IS CHECKED, THERE IS NO PROPER TENDER OF SHARES.

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ODD LOTS

(See Section 1 of the Offer to Purchase and Section 7 of the Letter of Transmittal)

        Under certain conditions, shareholders holding a total of fewer than 100 Shares may have their Shares accepted for payment before any proration of other tendered Shares. This preference is not available to partial tenders or to beneficial or record holders of an aggregate of 100 or more Shares, even if these holders have separate accounts or certificates representing fewer than 100 Shares. Accordingly, this section is to be completed only if Shares are being tendered by or on behalf of a person owning, beneficially or of record, an aggregate of fewer than 100 Shares. The undersigned either(check one box):

o

is the beneficial or record owner of an aggregate of fewer than 100 Shares, all of which are being tendered; or



o

is a broker, dealer, commercial bank, trust company or other nominee that (a) is tendering for the beneficial owner(s), Shares with respect to which it is the record holder, and (b) believes, based upon representations made to it by the beneficial owner(s), that each such person is the beneficial owner of an aggregate of fewer than 100 Shares and is tendering all of such Shares.

In addition, the undersigned is tendering Shares either(check one box):

o

at the Purchase Price, as the same will be determined by the Company in accordance with the terms of the Offer (persons checking this box need not indicate the price per Share above); or



o

at the price per Share indicated above in the section captioned "Auction Price Tender: Price (in Dollars) Per Share at Which Shares Are Being Tendered."

3

Certificate Nos. (if available):

Name(s) of Record Holder(s) :	��
(Please Type or Print)

Address(es):

Zip Code(s):

Daytime Area Code and Telephone Number:

Signature(s):

Dated: , 2014

        If shares will be tendered by book-entry transfer, check this boxo and provide the following information:

Name of Tendering Institution:

Account Number at The Depository Trust Company, the Book-Entry Transfer Facility:

THE GUARANTEE SET FORTH BELOW MUST BE COMPLETED.

4

GUARANTEE (NOT TO BE USED FOR SIGNATURE GUARANTEE)

        The undersigned, a firm that is a member in good standing of a recognized Medallion Program approved by the Securities Transfer Association, Inc., including the Securities Transfer Agents Medallion Program, the New York Stock Exchange, Inc. Medallion Signature Program, the Stock Exchange Medallion Program, or an "eligible guarantor institution," as the term is defined in Rule 17Ad-15 (the "Eligible Institution") under the Securities Exchange Act of 1934, as amended (the "Exchange Act"), hereby guarantees that (1) the above named person(s) "own(s)" the Shares tendered hereby within the meaning of Rule 14e-4 under the Exchange Act, (2) such tender of Shares complies with Rule 14e-4 under the Exchange Act and (3) it will deliver to the Depositary either the certificates representing the Shares tendered hereby, in proper form for transfer, or confirmation of book-entry transfer of such Shares into the Depositary's account at DTC (as defined in the Offer to Purchase), in any such case, together with a properly completed and duly executed Letter of Transmittal or an Agent's Message (as defined in the Offer to Purchase) in the case of a book-entry transfer, and any required signature guarantees and other documents required by the Letter of Transmittal, within three business days (as defined in the Offer to Purchase) after the date of receipt by the Depositary of this Notice of Guaranteed Delivery.

        The Eligible Institution that completes this form must communicate the guarantee to the Depositary and must deliver the Letter of Transmittal and certificates for Shares to the Depositary within the time period shown herein. Failure to do so could result in financial loss to such Eligible Institution.

Name of Firm:

Authorized Signature:

Name:

(Please Type or Print)

Title:

Address:

Zip Code:

Area Code and Telephone Number:

Dated: , 2014

NOTE: DO NOT SEND CERTIFICATES FOR SHARES WITH THIS NOTICE.
CERTIFICATES FOR SHARES SHOULD BE SENT WITH YOUR LETTER OF TRANSMITTAL.

5

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Exhibit (a)(1)(I)

NOTICE OF GUARANTEED DELIVERY (Not to be used for Signature Guarantee) for Tender of Shares of Common Stock of STR Holdings, Inc. Pursuant to its Amended Offer to Purchase for Cash Dated February 18, 2014 Up to $30,000,000 in Value of Shares At a Purchase Price of Not Greater Than $1.54 Per Share Nor Less Than $1.35 Per Share
The Depositary for the Offer is: Broadridge Corporate Issuer Solutions, Inc.

THE UNDERSIGNED IS TENDERING SHARES AS FOLLOWS (CHECK ONLY ONE BOX)

ODD LOTS
THE GUARANTEE SET FORTH BELOW MUST BE COMPLETED.
GUARANTEE (NOT TO BE USED FOR SIGNATURE GUARANTEE)