AMERICAN POWER GROUP Corp Watch

from 8-K 2 pages Material contract

from 8-K 4 pages Amendment to Promissory Notes and Waiver

from 8-K 12 pages Amended and Restated Voting Agreement

from 8-K 5 pages Agi Guaranty

from 8-K 26 pages Common Stock Purchase Agreement

from 8-K 16 pages Patent and Technology Purchase Agreement

from 8-K 6 pages This Binding Letter of Intent (The “Letter”) Sets Forth the Basic Terms and Conditions of the Acquisition (The “Transaction”) by Dual Fuel, LLC, an Arizona Limited Liability Company, (The “Buyer”) From American Power Group, Inc., an Iowa Corporation (“Apgi”) and Its Parent, AMERICAN POWER GROUP Corporation, an Iowa Corporation (“Apg”) (Apgi and Apg Collectively, the “Seller”), of Four Hundred Million (400,000,000) Shares (The “Shares”) of Seller’s Common Stock. Buyer and Seller Are Sometimes Individually Referred to as a “Party” and Collectively Referred to as the “Parties.” This Letter Supersedes, in Its Entirety, Any and All Oral or Written Communications That Previously Occurred Between the Parties, Including, Without Limitation, That Certain Letter of Intent, Dated as of January 11, 2018

from 8-K 2 pages Material contract

from 8-K 3 pages Unsecured Promissory Note

from 8-K 3 pages Unsecured Promissory Note

from 8-K 3 pages Unsecured Promissory Note

from 8-K 3 pages Unsecured Promissory Note

from 8-K 2 pages Material contract

from 8-K 3 pages Amendment to Promissory Notes

from 8-K 2 pages Material contract

from 8-K 1 page Material contract

from 10-Q 2 pages AMERICAN POWER GROUP Corporation 2016 Stock Option Plan Amendment No. 1 Approved by the Stockholders on May 24, 2017

from 8-K 5 pages Amendment to Promissory Notes

from 8-K 6 pages Amendment to Convertible Note Purchase Agreement

from 10-Q 2 pages AMERICAN POWER GROUP Corporation 2016 Stock Option Plan Amendment No. 2 Adopted by the Board of Directors on March 14, 2017