Late Filing Notice by Foreign Issuer (Form NT 20-F)

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	SEC FILE NUMBER
	000-51151
	CUSIP NUMBER
	65343M209

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 12b-25

NOTIFICATION OF LATE FILING

(Check one):		☐ Form 10-K ☑ Form 20-F ☐ Form 11-K ☐ Form 10-Q ☐ Form N-SAR ☐ Form N-CSR
		For Period Ended: December 31, 2017
		☐ 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
		For the Transition Period Ended:

Read Instruction (on back page) Before Preparing Form. Please Print or Type.

Nothing in this form shall be construed to imply that the Commission has verified any information contained herein.

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

NEXTSOURCE MATERIALS INC.

Full Name of Registrant

Former Name if Applicable

130 King Street West, Exchange Tower Suite 1940

Address of Principal Executive Office(Street and Number)

Toronto, Ontario, Canada M5X 2A2

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)

[X] (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, 10-K, 20-F, 11-K or Form N-SAR, or portion thereof will be filed on or before the 15th 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

(c) The accountant's statement or other exhibit required by Rule 12b-25(c) has been attached if applicable.

PART III - NARRATIVE

State below in reasonable detail why Forms 10-K, 20-F, 11-K, 10-Q, 10-D, N-SAR, N-CSR, or the transition report or portion thereof, could not be filed within the prescribed time period. (Attach extra Sheets if Needed)

NARRATIVE

NextSource Materials, Inc. (the "Company") has been unable to complete its Form 20-F for the year ended June 30, 2021 within the prescribed time period as more time is required to complete the required XBRL coding.

PART IV - OTHER INFORMATION

(1)

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

Marc Johnson		647		289-8112
(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 report(s) been filed? If answer is no, identify report(s).
		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 ☐ 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.

NextSource Materials, Inc.

(Name of Registrant as Specified in Charter)

has caused this notification to be signed on its behalf by the undersigned hereunto duly authorized.

Date		October 28, 2021		By		/s/ Marc Johnson, CFO

INSTRUCTION: The form may be signed by an executive officer of the registrant or by any other duly authorized representative. The name and title of the person signing the form shall be typed or printed beneath the signature. If the statement is signed on behalf of the registrant by an authorized representative (other than an executive officer), evidence of the representative's authority to sign on behalf of the registrant shall be filed with the form.

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