KLA Corporation Annual report pursuant to Section 13 and 15(d)

Unamortized debt issuance costs

$ 2,250,000

$ 2,946,250

Unamortized discount

(2,523)

(2,901)

(10,075)

(12,892)

Total debt, net of discount

2,237,402

2,930,457

Current portion of long-term debt

249,983

Long-term debt

2,237,402

2,680,474

$ (4,000)

$ 0

$ 446,250

Fixed-rate 2.375% Senior notes due on November 1, 2017 | Senior notes

0.00%

2.137%

2.375%

$ 0

$ 250,000

Fixed-rate 3.375% Senior notes due on November 1, 2019 | Senior notes

0.00%

2.396%

3.375%

$ 250,000

Fixed-rate 4.125% Senior notes due on November 1, 2021 | Senior notes

3.377%

4.125%

$ 500,000

Fixed-rate 4.650% Senior notes due on November 1, 2024 | Senior notes

4.128%

4.65%

^[1]

4.65%

^[1]

$ 1,250,000

Fixed-rate 5.650% Senior notes due on November 1, 2034 | Senior notes

^[1]

4.682%

5.65%

$ 250,000

Portion of Senior notes | Cash flow hedge contracts- foreign currency | Senior notes | Treasury lock | Derivatives designated as hedging instruments

5.67%

Effective percentage including treasury rate lock hedge

4.626%

[1]	The effective interest rate disclosed above for this series of Senior Notes excludes the impact of the treasury rate lock hedge discussed below. The effective interest rate including the impact of the treasury rate lock hedge was 4.626%.

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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Amount, after accumulated amortization, of debt discount.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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