In 2019, AGREIC issued a note to Lexington of $250 million. The carrying amount of the note was $253 million as of December 31, 2020. Interest expense incurred specific to this note was $0.4 million, $4 million and $8 million for the years ended December 31, 2021, 2020 and 2019, respectively. On February 12, 2021, AGREIC repaid the loan and interest of $254 million.
In November 2021, Corebridge issued an $8.3 billion note to AIG. The interest rate per annum is equal to LIBOR plus 100 basis points. Interest accrues semi-annually in arrears on March 1 and September 1 of each year, beginning on March 1, 2022. The note matures on the earlier of November 1, 2022 and two business days prior to this initial public offering of our common stock. The interest expense on this note during the year ended December 31, 2021 was $17 million and during the six months ended June 30, 2022 was $39 million. We used the net proceeds of the issuance of the senior unsecured notes, in the amount of approximately $6.4 billion, to repay a portion of the $8.3 billion promissory note previously issued by Corebridge Parent to AIG. As of June 30, 2022, $1.9 billion remained outstanding.
Other Intercompany Funding Arrangements
We participate in intercompany funding arrangements, whereby each of our participating subsidiaries places excess funds on deposit with AIG in exchange for a stated rate of interest. As of December 31, 2021 and 2020 and June 30, 2022, the Company held $1.0 billion, $1.5 billion and $1.2 billion, respectively, relating to these balances in short-term investments. Interest earned on these deposits was $3 million, $7 million, $26 million, $3 million and $1 million for the years ended December 31, 2021, 2020 and 2019 and the six months ended June 30, 2022 and 2021, respectively.
Derivative Agreements
The Company pays a fee to AIGM, a subsidiary of AIG, for a suite of capital markets services, including derivatives execution and support. In addition, in the ordinary course of business, the Company enters into over-the-counter derivative transactions with AIGM, under standard ISDA agreements. The total expenses incurred for services provided by AIGM were $17 million and $19 million for the years ended December 31, 2021 and 2020, respectively and $10 million and $8 million for the six months ended June 30, 2022 and 2021, respectively. There were no expenses paid for services provided by AIGM for the year ended December 31, 2019. For a discussion of the transition of the services provided by AIGM to Corebridge Markets, see “The Reorganization Transactions—Transfer of Investment Management Business.” The Company’s derivative assets, net of gross assets and gross liabilities after collateral were $1 million, $256 million and $261 million as of June 30, 2022, December 31, 2021 and 2020, respectively. The Company’s derivative liabilities, net of gross assets and gross liabilities after collateral were $(0.1) million, $2.0 million and $0.1 million as of June 30, 2022, December 31, 2021 and 2020. The collateral posted to AIGM was $1.6 billion, $803 million and $845 million, as of June 30, 2022, December 31, 2021 and 2020, respectively. The collateral held by the Company was $354 million, $770 million and $507 million as of June 30, 2022, December 31, 2021 and 2020, respectively.
In addition, the Company entered into certain unsecured derivative transactions with AIG FP prior to 2018. AIG guarantees the obligations of AIG FP under these derivative transactions. These derivative assets, net of gross assets and gross liabilities after collateral, were $288 million, $406 million and $465 million as of June 30, 2022, December 31, 2021 and 2020, respectively. These derivative liabilities, net of gross assets and gross liabilities after collateral, were $0.8 million as of December 31, 2020. There were no derivative net liabilities as of June 30, 2022. There was no collateral posted to AIG FP or collateral held by the Company as of June 30, 2022, 2021 and 2020, respectively.
Capital Maintenance Agreement
As of December 31, 2021, the Company had one capital maintenance agreement, between AGC and AIG (the “CMA”). Among other things, the CMA provides that AIG will maintain the total adjusted capital of AGC at or above a specified minimum percentage of AGC’s projected Company action level RBC. AIG did not make any capital contributions to AGC under the CMA during the years ended December 31, 2021, 2020 and 2019 or the six months ended June 30, 2022. As of December 31, 2021, 2020 and 2019, the specified minimum capital percentage in the CMA was 250%.
Tax Sharing Agreements
We have historically been included in the consolidated federal income tax return of AIG as well as certain state tax returns where AIG files on a combined or unitary basis. For the six months ended June 30, 2022 and