6-K

FORM 6-K

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

REPORT OF FOREIGN PRIVATE ISSUER

Pursuant to Rule 13a-16 or 15d-16

of the Securities Exchange Act of 1934

For the month of March, 2013

Commission File Number 000- 13355

ASM INTERNATIONAL N.V.

(Translation of registrant’s name into English)

VERSTERKERSTRAAT 8

1322 AP ALMERE

THE NETHERLANDS

(Address of principal executive offices)

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.

Form 20-F  ý    Form 40-F  ¨

Indicate by check mark if the registrant is submitting the form 6-K in paper as permitted by Regulation S-T Rule 101(b)(l):  ¨

Note: Regulation S-T Rule 101(b)(1) only permits the submission in paper of a Form 6-K if submitted solely to provide an attached annual report to security holders.

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule l0l(b)(7):  ¨

Note: Regulation S-T Rule l0l(b)(7) only permits the submission in paper of a Form 6-K if submitted to furnish a report or other document that the registrant foreign private issuer must furnish and make public under the laws of the jurisdiction in which the registrant is incorporated, domiciled or legally organized (the registrant’s “home country”), or under the rules of the home country exchange on which the registrant’s securities are traded, as long as the report or other document is not a press release, is not required to be and had not been distributed to the registrant’s security holders, and, if discussing a material event, has already been the subject of a Form 6-K submission or other Commission filing on EDGAR.

Indicate by check mark whether the registrant by furnishing the information contained in this Form is also thereby furnishing the information to the Commission pursuant to Rule l2g3-2(b) under the Securities Exchange Act of 1934.    Yes  ¨    No  ý

If “Yes” is marked, indicate below the file number assigned to the registrant in connection with Rule 12g3-2(b): 82-.

Exhibits
Exhibit 99.1	ASM International N.V. raises € 422 million from the partial secondary placement of a 12% stake in ASM PT

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Dated: March 13, 2013	ASM INTERNATIONAL N.V.
		/S/    HANS ZWEERS
		Hans Zweers
		Director Accounting and External Reporting

ASM INTERNATIONAL N.V.

(THE “REGISTRANT”)

(COMMISSION FILE NO. 0-13355)

EXHIBIT INDEX

TO

FORM 6-K

DATED March 13, 2013

Exhibit No.	Exhibit Description	Filed Herewith
99.1	ASM International N.V. raises € 422 million from the partial secondary placement of a 12% stake in ASM PT		X

EX-99.1

NOT FOR DISTRIBUTION IN OR INTO THE UNITED STATES

This announcement is for information purposes only and does not constitute an invitation or offer to acquire, purchase or subscribe for securities, nor is it calculated to invite any such offer or invitation. Neither this announcement nor any copy thereof may be taken into or distributed, directly or indirectly, in or into the United States (including its territories and dependencies, any State of the United States and the District of Columbia). In particular, this announcement does not constitute and is not an offer to sell or a solicitation of any offer to purchase or subscribe for securities in the United States or elsewhere. The securities may not be offered or sold in the United States absent registration or an exemption from registration under the United States Securities Act of 1933, as amended. Any public offering of securities to be made in the United States will only be made by means of a prospectus that may be obtained from the issuer or selling security holder and that contains detailed information about the issuer and management as well as financial statements. There is no intention to make a public offering of the securities referred to in this announcement in the United States.

ASM International N.V. raises € 422 million from the partial secondary placement of a 12% stake in ASM PT

ALMERE, The Netherlands – March 13, 2013 – ASM International N.V. (NASDAQ: ASMI and NYSE Euronext Exchange in Amsterdam: ASM, hereafter also the "Company") is pleased to announce the pricing and the generated proceeds of its partial secondary placement of shares of ASM Pacific Technology Ltd. ("ASM PT") (the "Placement").

The Company placed a total of 47,424,500 ordinary shares of ASM PT at a price of HK$ 90.00 per shareto institutional or other professional investors through a partial secondary share placement representing a 12% stake in ASM PT. The Placement generated cash proceeds for the Company of a total amount of HK$ 4,268,205,000 (approximately € 422 million). The Company has agreed to a 180 day lock-up period, subject to customary exceptions.

As of today the Company continues to be the largest shareholder of ASM PT.

Morgan Stanley & Co. International plc ("Morgan Stanley") and The Hongkong and Shanghai Banking Corporation Limited ("HSBC") acted as joint bookrunners on the Placement (the "Joint Bookrunners").

The Company intends to distribute approximately 65 % of the cash proceeds from the Placement, equal to approximately € 4.25 per ordinary share, to its shareholders. A proposal thereto will be placed on the agenda of the forthcoming AGM.

The remainder of the proceeds of the Placement will be used to further strengthen the business of the Company.

About ASM International

ASM International N.V., headquartered in Almere, the Netherlands, and its subsidiaries design and manufacture equipment and materials used to produce semiconductor devices. ASM International and its subsidiaries provide production solutions for wafer processing (Front-end segment) as well as assembly and packaging (Back-end segment) through facilities in the United States, Europe, Japan and Asia. ASM International's common stock trades on NASDAQ (symbol ASMI) and the NYSE Euronext Amsterdam Stock Exchange (symbol ASM). For more information, visit ASMI's website at www.asm.com.

Investor Relations:

Erik Kamerbeek

+31 88 100 8500

Erik.Kamerbeek@asm.com

Victor Bareño

+31 88 100 8500

Victor.Bareno@asm.com

Mary Jo Dieckhaus

+1 212 986 2900

MaryJo.Dieckhaus@asm.com

Media Contacts:

Ian Bickerton

+31 20 6855 955

+31 62501 8512