Arista Power, Inc. (OTCPK:ASPW) announced a revolving line of credit and warrants for gross proceeds of $500,000 with new investor TMK-ENT, Inc on September 4, 2012. The loan will be evidenced by a revolving credit note and will bear interest at 10% per year, payable annually. The promissory notes will mature on September 4, 2013. The company also issued warrants exercisable into 500,000 shares at $1.80 per share till ten years. The securities will be issued pursuant to Regulation D. The company can receive advances from the investor till September 4, 2013.

As of September 30, 2012, the company has drawn down $300,000 in the financing.

On November 13, 2012, the company announced that the financing has been amended. The company has increased the size of the financing to $750,000. All the notes issued under the financing, will now mature on November 13, 2013, and not September 4, 2013, and the loan will be due and payable on November 13, 2013. The company issued additional warrants to the investor to purchase additional 250,000 shares at an exercise price of $1.62 per share.

On December 21, 2012, the company announced that the financing has been amended. The company has increased the size of the financing to $1,250,000. All the notes issued under the financing, will now mature on December 21, 2013, and not September 4, 2013 and November 13, 2013, and the loan will be due and payable on December 21, 2013. The company issued additional warrants to the investor to purchase additional 500,000 shares at an exercise price of $1.38 per share.