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 April, 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. ANNOUNCES AVAILABILITY AND TIMING OF THE 2013 FIRST QUARTER RESULTS CONFERENCE CALL AND WEB CAST

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: April 16, 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 April 16, 2013

Exhibit No.	Exhibit Description	Filed Herewith
99.1	ASM INTERNATIONAL N.V. ANNOUNCES AVAILABILITY AND TIMING OF THE 2013 FIRST QUARTER RESULTS CONFERENCE CALL AND WEB CAST		X

EX-99.1

Almere, The Netherlands

April 16, 2013

ASM INTERNATIONAL N.V. ANNOUNCES AVAILABILITY AND TIMING OF THE 2013 FIRST QUARTER RESULTS CONFERENCE CALL AND WEB CAST

ASM International N.V. (NASDAQ: ASMI and Euronext Exchange in Amsterdam: ASM) will report operating results for the 2013 first quarter ended March 31, 2013 at approximately:

• 00:00 (midnight) Continental European Time – Tuesday/Wednesday, April 23, 2013

• 6:00 p.m. US Eastern Time – Tuesday, April 23, 2013.

ASM International will host an investor conference call and web cast on Wednesday, April 24, 2013 at 15:00 Continental European Time (9:00 a.m. - US Eastern Time).

The teleconference dial-in numbers are as follows:

• United States: +1 646 254 3367

• International: + 44 (0)20 7136 2056

• Access Code: 5467183

A simultaneous audio web cast will be accessible at www.asm.com.

The teleconference will be available for replay, beginning one hour after completion of the live broadcast, through June 24, 2013.

The replay dial-in numbers are:

• United States: +1 347 366 9565

• England: + 44 (0)20 3427 0598

• The Netherlands: +31 (0)20 708 5013

• Access Code: 5467183

PRESS RELEASE ASM, April 16, 2013 PAGE of

About ASM International

ASM International NV, headquartered in Almere, the Netherlands, its subsidiaries and participations design and manufacture equipment and materials used to produce semiconductor devices. ASM International, its subsidiaries and participations provide production solutions for wafer processing (Front-end segment) as well as for assembly & packaging and surface mount technology (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 Euronext Amsterdam Stock Exchange (symbol ASM). For more information, visit ASMI's website at www.asm.com.

Safe Harbor Statement under the U.S. Private Securities Litigation Reform Act of 1995: All matters discussed in this statement, except for any historical data, are forward-looking statements. Forward-looking statements involve risks and uncertainties that could cause actual results to differ materially from those in the forward-looking statements. These include, but are not limited to, economic conditions and trends in the semiconductor industry generally and the timing of the industry cycles specifically, currency fluctuations, corporate transactions, financing and liquidity matters, the success of restructurings, the timing of significant orders, market acceptance of new products, competitive factors, litigation involving intellectual property, shareholder and other issues, commercial and economic disruption due to natural disasters, terrorist activity, armed conflict or political instability, epidemics and other risks indicated in the Company's filings from time to time with the U.S. Securities and Exchange Commission, including, but not limited to, the Company's reports on Form 20-F and Form 6-K. The Company assumes no obligation nor intends to update or revise any forward-looking statements to reflect future developments or circumstances.

CONTACT:

Investor Relations

Victor Bareno

+31 88 100 8500

Victor.Bareno@asm.com

Mary Jo Dieckhaus

+1 212-986-2900

Maryjo.Dieckhaus@asm.com

PRESS RELEASE ASM, April 16, 2013 PAGE of