Refinanced amount

  
  
(1)     The fair value adjustment amount is the purchase price adjustments, net of amortization, required to record long-term debt at fair value on the dates of the 2012 merger with NSTAR and the 2017 acquisition of Aquarion.  
Availability under Long-Term Debt Issuance Authorizations: On March 31, 2021, the DPU approved NSTAR Electric's request for authorization to issue up to $1.60 billion in long-term debt through December 31, 2023. On September 10, 2021, the DPU approved EGMA’s request for authorization to issue up to $725.0 million in long-term debt through December 31, 2023. The remaining Eversource operating companies, including CL&P and PSNH, have utilized the long-term debt authorizations in place with the respective regulatory commissions.  
Long-Term Debt Issuances and Repayments: The following table summarizes long-term debt issuances and repayments:

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| (Millions of Dollars) | Issuance/(Repayment) |  | Issue Date or Repayment Date |  | Maturity Date |  | Use of Proceeds for Issuance/Repayment Information |
| CL&P: |  |  |  |  |  |  |  |
| 2.05% Series A First Mortgage Bonds | $ | 425.0  |  |  | June 2021 |  | July 2031 |  | Repaid short-term debt, paid capital expenditures and working capital |
| 4.38% Series A PCRB | (120.5) |  |  | September 2021 |  | September 2028 |  | Paid on par call date in advance of maturity |
| NSTAR Electric: |  |  |  |  |  |  |  |
| 3.10% 2021 Debentures | 300.0  |  |  | May 2021 |  | June 2051 |  | Refinanced investments in eligible greenexpenditures, which were previously financed in 2019 and 2020 |
| 3.50% Series F Senior Notes | (250.0) |  |  | June 2021 |  | September 2021 |  | Paid on par call date in advance of maturity |
| 1.95% 2021 Debentures | 300.0  |  |  | August 2021 |  | August 2031 |  | Repaid short-term debt, paid capital expenditures and working capital |
| PSNH: |  |  |  |  |  |  |  |
| 4.05% Series Q First Mortgage Bonds | (122.0) |  |  | March 2021 |  | June 2021 |  | Paid on par call date in advance of maturity |
| 3.20% Series R First Mortgage Bonds | (160.0) |  |  | June 2021 |  | September 2021 |  | Paid on par call date in advance of maturity |
| 2.20% Series V First Mortgage Bonds | 350.0  |  |  | June 2021 |  | June 2031 |  | Repaid short-term debt, including short-term debt used to redeem Series R First Mortgage Bonds, paid capital expenditures and working capital |
| Other: |  |  |  |  |  |  |  |
| Eversource Parent 2.50% Series I Senior Notes | (450.0) |  |  | February 2021 |  | March 2021 |  | Paid on par call date in advance of maturity |
| Eversource Parent 2.55% Series S Senior Notes | 350.0  |  |  | March 2021 |  | March 2031 |  | Repaid short-term debt, including short-term debt used to redeem Series I Senior Notes |
| Eversource Parent 1.40% Series U Senior Notes | 300.0  |  |  | August 2021 |  | August 2026 |  | Repaid short-term debt |
| Eversource Parent Variable Rate Series T Senior Notes (1) | 350.0  |  |  | August 2021 |  | August 2023 |  | Repaid short-term debt |
| Aquarion Water Company of Connecticut 3.31%    Senior Notes  | 100.0  |  |  | April 2021 |  | April 2051 |  | Repaid 5.50% Notes, repaid short-term debt, paid capital expenditures and working capital |
| Aquarion Water Company of Connecticut 5.50% Notes | (40.0) |  |  | April 2021 |  | April 2021 |  | Paid at maturity |
| Yankee Gas 1.38% Series S First Mortgage Bonds | 90.0  |  |  | August 2021 |  | August 2026 |  | (2) |
| Yankee Gas 2.88% Series T First Mortgage Bonds | 35.0  |  |  | August 2021 |  | August 2051 |  | (2) |
| EGMA 2.11% Series A First Mortgage Bonds | 310.0  |  |  | September 2021 |  | October 2031 |  | (2) |
| EGMA 2.92% Series B First Mortgage Bonds | 240.0  |  |  | September 2021 |  | October 2051 |  | (2) |
| NSTAR Gas 2.25% Series T First Mortgage Bonds | 40.0  |  |  | October 2021 |  | November 2031 |  | (2) |
| NSTAR Gas 3.03% Series U First Mortgage Bonds | 40.0  |  |  | October 2021 |  | November 2051 |  | (2) |

  
(1) On August 13, 2021, Eversource Parent issued $350 million of floating rate Series T Senior Notes with a maturity date of August 15, 2023. The notes have a coupon rate based on Compounded SOFR plus 0.25%. The notes had an interest rate of 0.30% as of December 31, 2021.  
(2)    The use of proceeds from these various issuances refinanced existing indebtedness, funded capital expenditures and were for general corporate purposes. The EGMA indebtedness that was refinanced included $309.4 million of long-term debt.  
Long-Term Debt Provisions:  The utility plant of CL&P, PSNH, Yankee Gas, NSTAR Gas, EGMA and a portion of Aquarion is subject to the lien of each company's respective first mortgage bond indenture.  The Eversource parent, NSTAR Electric and a portion of Aquarion debt is unsecured. Additionally, the long-term debt agreements provide that Eversource and certain of its subsidiaries must comply with certain covenants as are customarily included in such agreements, including equity requirements for NSTAR Electric, NSTAR Gas and Aquarion.  Under the equity requirements, NSTAR Electric's and Aquarion's senior notes must maintain a certain consolidated indebtedness to capitalization ratio as of the end of any fiscal quarter and NSTAR Gas' outstanding long-term debt must not exceed equity.   
Certain secured and unsecured long-term debt securities are callable at redemption price or are subject to make-whole provisions.   
No long-term debt defaults have occurred as of December 31, 2021.  
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