Form NT-10K Extension of filing form 10-K

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 12b-25

NOTIFICATION OF LATE FILING

(Check One): [X] Form 10-K [_] Form 20-F [_] Form 11-K [ ] Form 10-Q [_] Form N-SAR

For Year Ended: June 30, 2016

[_] Transition Report on Form 10-K

[_] Transition Report on Form 20-F

[_] Transition Report on Form 11-K

[_] Transition Report on Form 10-Q

[_] Transition Report on Form N-SAR

If the notification relates to a portion of the filing checked above, identify the Item(s) to which the notification relates:

PART I--REGISTRANT INFORMATION

Advanced Oxygen Technologies, Inc.
-------------------------------------------------------------
(Full Name of Registrant)

C/O Crossfield, Inc. PO Box 189
-------------------------------------------------------------

Address of Principal Executive Office (Street and Number)

Randolph, VT 05060
-------------------------------------------------------------

(City, State and Zip Code)

PART II--RULES 12b-25(b) AND (c)

If the subject report could not be filed without unreasonable effort or expense and the registrant seeks relief pursuant to Rule 12b-25(b), the following should be completed. (Check box if appropriate)

(a) The reasons described in reasonable detail in Part III of this form could not be eliminated without unreasonable effort or expense;

[x] (b) The subject annual report, semi-annual report, transition report on Form 10-K, Form 20-F, 11-K, Form N-SAR, or portion thereof, will be filed on or before the fifteenth calendar day following the prescribed due date; or the subject quarterly report or transition report on Form 10-Q, or portion thereof will be filed on or before the fifth calendar day following the prescribed due date; and

PART III--NARRATIVE

The compilation, dissemination and review of the information required to be presented in the Form 10-K for the year ended June 30, 2016 has imposed time constraints that have rendered timely filing of the Form 10-K impracticable without undue hardship and expense to the registrant.

The registrant intends to file its Annual Report on Form 10-K on or before the fifteenth calendar day following the prescribed due date.

PART IV--OTHER INFORMATION

(1) Name and telephone number of person to contact in regard to this notification

Robert E. Wolfe (212) (727-7085)

------------------ ----------- -------------

(Name) (Area Code)(Telephone Number)

(2) Have all other periodic reports required under Section 13 or 15(d) of the Securities Exchange Act of 1934 or Section 30 of the Investment Company Act of 1940 during the preceding 12 months (or for such shorter) period that the registrant was required to file such reports) been filed?

[X] Yes [_] No

(3) Is it anticipated that any significant change in results of operations from the corresponding period for the last fiscal year will be reflected by the earnings statements to be included in the subject report or portion thereof?

[_] Yes [X] No

If so, attach an explanation of the anticipated change, both narratively and quantitatively, and, if appropriate, state the reasons why a reasonable estimate of the results cannot be made.

Advanced Oxygen Technologies, Inc. has caused this notification to be signed on its behalf by the undersigned hereunto duly authorized.

Date September 27, 2016

By /s/ Robert E. Wolfe

----------------------- --------------------------------------

Robert E. Wolfe,

Chairman of the Board, and

Chief Executive Officer