costs due to the Company entering into the consent agreement and ninth amendment to the terms of the Revolver and a waiver agreement with the requisite lenders pertaining to third quarter reporting deliverables and compliance. The fourth quarter of 2016 also includes $8.6 million of special interest for the Senior Notes due 2023, Senior Notes due 2025 and Revolver, which was offset by $11.6 million of unrealized gains pertaining to interest rate swaps for the U.K. Portfolio. In addition, as discussed in Note 2. Summary of Significant Accounting Policies, during the fourth quarter of 2016, the Company revised the accretion period for its asset retirement obligations from the term of the related PPA agreement to the remaining useful life of the corresponding renewable energy facility, which resulted in the Company recording a $4.4 million adjustment to reduce previously reported accretion and depreciation expense. The Company also recorded a $5.9 million adjustment in the fourth quarter of 2016 to reduce previously reported cost of operations related to property tax expenses.
24. SUBSEQUENT EVENTS
Irrevocable Agreement to Launch Tender Offer for the Common Shares of Saeta Yield
On February 7, 2018, the Company announced that it intends to launch a voluntary tender offer (the “Tender Offer”) to acquire 100% of the outstanding shares of Saeta Yield, S.A. (“Saeta Yield”), a Spanish corporation and a publicly-listed European owner and operator of wind and solar assets, located primarily in Spain. The Tender Offer will be for 12.20 Euros per share of Saeta Yield. The Tender Offer is expected to be completed in the second quarter of 2018, subject to certain closing conditions.
In connection with this Tender Offer, on February 6, 2018, TERP Spanish HoldCo, S.L., a subsidiary of the Company, entered into an irrevocable undertaking agreement for the launch and acceptance of the takeover bid for the shares of Saeta Yield with Cobra Concesiones, S.L., a company incorporated under the laws of Spain (“Cobra”), and GIP II Helios, S.à r.l., a société à responsabilité limitée organized under the laws of the Grand Duchy of Luxembourg (“GIP”), as well as two separate irrevocable undertaking agreements with Mutuactivos, S.A.U., S.G.I.I.C., a company incorporated under the laws of Spain (“Mutuactivos”), and with Sinergia Advisors 2006, A.V., S.A., a company incorporated under the laws of Spain (“Sinergia” and, together with Cobra, GIP and Mutuactivos, the “Selling Stockholders”). Under the terms of these irrevocable undertaking agreements, the Selling Stockholders have irrevocably and unconditionally agreed to tender their combined 50.338% interest in Saeta Yield in the Tender Offer.
The Company’s acceptance of the shares of Saeta Yield tendered in the Tender Offer is conditioned upon the Company obtaining compulsory authorization required from the European Commission and Cobra and GIP irrevocably accepting the Tender Offer in respect of their shares of Saeta Yield representing no less than 48.222% of Saeta Yield’s voting share capital.
The aggregate value of the shares of Saeta Yield held by the Selling Stockholders is approximately $600 million. If the Company successfully acquires all of the remaining Saeta Yield shares in the Tender Offer, the aggregate purchase price (including the value of the Selling Stockholders shares) will be approximately $1.2 billion. Assuming a $1.2 billion acquisition price, the Company intends to finance the acquisition with a $400 million equity issuance of the Company’s Class A common stock (the “Equity Offering”) and the remaining $800 million will be financed from available liquidity, which the Company expects will include borrowings under the Sponsor Line Agreement and the New Revolver. The Company expects to repay these borrowings with a combination of sources, including new non-recourse financings of the Company’s currently unencumbered wind and solar assets and certain cash released from Saeta Yield’s assets.
In connection with the launch of the Tender Offer, the Company was required to post a bank guarantee (the “Bank Guarantee”) with the Spanish National Securities Market Commission (Comisión Nacional del Mercado de Valores) (the “CNMV”) for the maximum amount payable in the Tender Offer of approximately $1.2 billion. On March 6, 2018, TERP Spanish HoldCo entered into two letter of credit facilities (the “LC Agreements”) pursuant to which two banks posted the Bank Guarantee with the CNMV for the maximum amount payable in the Tender Offer. On March 6, 2018, TerraForm Power entered into two letter agreements (the “Letter Agreements” and together with the LC Agreements, the “Letter of Credit Facilities”) with those banks. The LC Agreements govern TERP Spanish HoldCo’s obligations to reimburse those banks upon any drawing under the Bank Guarantee. The Letter Agreements govern TerraForm Power’s obligation to utilize drawings on its New Revolver and Sponsor Line Agreement or proceeds from an equity offering of its Class A common stock to contribute funds to TERP Spanish HoldCo to enable TERP Spanish HoldCo to satisfy its reimbursement obligations under the LC Agreements. The Letter of Credit Facilities also contain customary fees, representations and warranties, covenants and events of default. Under the terms of the Letter of Credit Facilities, the Company is required to maintain minimum liquidity requirements of $500.0 million under the Sponsor Line Agreement and $400.0 million under the New Revolver. In addition, if any amount is