UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-Q/A

For the Quarterly Period Ended June 30, 2012

OR

For the Transition Period from ______________ to ______________

Commission File Number: 0-26053

MDU COMMUNICATIONS INTERNATIONAL, INC.

(Exact name of registrant as specified in its charter)

(973) 237-9499

(Registrant’s telephone number, including area code)

None

(Former name, former address and former fiscal year, if changed since last report)

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days: Yes x No ¨

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T (§32.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files): Yes x No ¨

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or a smaller reporting company. See definition of “accelerated filer”, “large accelerated filer” and “smaller reporting company” in Rule 12b-2 of the Exchange Act: Large accelerated filer ¨ Accelerated filer ¨ Non-accelerated filer ¨

Smaller reporting company x

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act): Yes ¨ No x

Indicate the number of shares outstanding of each of the issuer’s classes of common stock, as of the latest practicable date:

EXPLANATORY NOTE

The purpose of this Amendment No. 1 on Form 10-Q/A to MDU Communications International, Inc.’s quarterly report on Form 10-Q for the period ended June 30, 2012, filed with the Securities and Exchange Commission on August 14, 2012, is solely to furnish Exhibit 101 to the Form 10-Q in accordance with Rule 405 of Regulation S-T. Exhibit 101 consists of the following materials from MDU Communications International, Inc.’s Form 10-Q, formatted in XBRL (eXtensible Business Reporting Language):

No other changes have been made to the original Form 10-Q. This Amendment No. 1 speaks as of the original filing date of the Form 10-Q, does not reflect events that may have occurred subsequent to the original filing date, and does not modify or update in any way disclosures made in the original Form 10-Q.

Pursuant to Rule 406T of Regulation S-T, the interactive data files on Exhibit 101 hereto are deemed not filed or part of a registration statement or prospectus for purposes of Sections 11 or 12 of the Securities Act of 1933, as amended, are deemed not filed for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, and otherwise are not subject to liability under those sections.

PART II — OTHER INFORMATION

Item 6. EXHIBITS

31.1*- Rule 13a-14(a)/15d-14(a) Certification, executed by Sheldon Nelson, Chairman, Board of Directors, Chief Executive Officer and Chief Financial Officer of MDU Communications International, Inc.

31.2*- Rule 13a-14(a)/15d-14(a) Certification, executed by Carmen Ragusa, Jr., Vice President of Finance and Administration of MDU Communications International, Inc.

32.1*- Certifications required by Rule 13a-14(b) or Rule 15d-14(b) and Section 1350 of Chapter 63 of Title 18 of the United States Code (18 U.S.C. 1350), executed by Sheldon Nelson, Chairman, Board of Directors, Chief Executive Officer and Chief Financial Officer of MDU Communications International, Inc.

32.2*- Certifications required by Rule 13a-14(b) or Rule 15d-14(b) and Section 1350 of Chapter 63 of Title 18 of the United States Code (18 U.S.C. 1350), executed by Carmen Ragusa, Jr., Vice President of Finance and Administration of MDU Communications International, Inc.

____________

* Previously filed or furnished as an exhibit to MDU Communications International, Inc.’s Quarterly Report on Form 10-Q for the quarter ended June 30, 2012

** Furnished with this Form 10-Q/A

SIGNATURES

In accordance with the requirements of the Exchange Act, the registrant caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.