Extension of Note to Mr. Vittoria Joseph V. Vittoria 1616 South Ocean Boulevard Palm Beach, FL 33480 (T) 561 659 0860 (F) 561 659 1045

Ex 10.10

Extension of Note to Xx. Xxxxxxxx

Xxxxxx X. Xxxxxxxx
0000 Xxxxx Xxxxx Xxxxxxxxx
Xxxx Xxxxx, XX 00000
(T) 000 000 0000 (F) 000 000 0000

Puradyn Filter Technologies, Inc.
0000 Xxxx Xxxxx Xxxx
Xxxxxxx Xxxxx, XX 00000
Attention: Xxxx X. Xxxxxxx, VP, CAO

February 24, 2011

RE:     Standby Commitment Agreement Amendment #13

Dear Xx. Xxxxxxx:

          Pursuant to the Standby Commitment Agreement letters dated March 28, 2002, and March 14, 2003 and all Amendments thereto, I, Xxxxxx Xxxxxxxx (the “Lending Party”), agree to extend the payback dates from December 31, 2011 to December 31, 2012.

          All other terms defined in the original Standby Commitment Agreement letters and the Amendments thereto, not otherwise in conflict with this Amendment, shall remain in full force and effect.

          IN WITNESS WHEREOF, the parties hereto have caused this agreement to be executed and delivered by the respective officers hereunto duly authorized on the date first written above.

			/s/ Xxxxxx X. Xxxxxxxx
			Xxxxxx X. Xxxxxxxx
Accepted and Agreed:
Puradyn Filter Technologies, Inc.
By:	/s/ Xxxx X. Xxxxxxx
	Xxxx X. Xxxxxxx, Vice President, Chief Administration Officer