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Pinnacle West (NYSE: PNW) offers $500,000,000 4.650% 2029 senior notes

Filing Impact
(Moderate)
Filing Sentiment
(Neutral)
Form Type
8-K

Rhea-AI Filing Summary

Pinnacle West Capital Corporation is documenting an offering of $500,000,000 principal amount of 4.650% Senior Notes due 2029 under its existing shelf registration on Form S-3. The company files the underwriting agreement, a seventh supplemental indenture, a specimen note, and related legal and information exhibits.

Exhibit 99.1 estimates issuance and distribution expenses, excluding underwriting discounts and commissions, at $1,304,241. The largest component is rating agency fees of $1,125,000, alongside Securities and Exchange Commission registration fees of $68,991, accounting, legal, printing, and various trustee and depository costs.

Positive

  • None.

Negative

  • None.
Item 9.01 Financial Statements and Exhibits Exhibits
Financial statements, pro forma financial information, and exhibit attachments filed with this report.
Senior Notes principal $500,000,000 Principal amount of 4.650% Senior Notes due 2029
Coupon rate 4.650% Interest rate on Senior Notes due 2029
Total issuance expenses $1,304,241 Estimated expenses excluding underwriting discounts and commissions
Rating agency fees $1,125,000 Largest single expense item for the notes offering
SEC registration fee $68,991 Securities and Exchange Commission registration fee for the offering
Accounting fees $75,000 Accounting fees and expenses related to issuance
Printing and postage $15,000 Printing, engraving, and postage expenses
Transfer/trustee/depository fees $10,750 Transfer agent, registrar, trustee and depository fees
Senior Notes financial
"offering of $500,000,000 of 4.650% Senior Notes Due 2029"
Senior notes are a type of loan that a company borrows from investors, promising to pay it back with interest. They are called "senior" because in case the company faces financial trouble, these lenders are paid back before others. This makes senior notes safer for investors compared to other types of loans or bonds.
Supplemental Indenture financial
"Seventh Supplemental Indenture relating to the issuance of $500,000,000"
A supplemental indenture is a written amendment to the original bond agreement that changes specific terms of a debt contract, such as payment schedules, interest rates, collateral or covenant protections. Investors care because it alters the legal rights and risks tied to a security — like renegotiating a mortgage where the lender and borrower agree to new rules — and can affect a bond’s credit quality, yield and market value.
Registration Statement on Form S-3 regulatory
"under the Company’s Registration Statement on Form S-3 (No. 333-277448)"
A registration statement on Form S‑3 is a short, standardized filing a qualified public company uses to register new securities with regulators so they can be sold to investors; think of it as a pre-approved, reusable permission slip that speeds up future offerings. It matters to investors because it lets the company raise money more quickly and cheaply — which can fund growth or pay debt — but may also lead to share dilution or change in ownership, so it affects value and liquidity.
Securities and Exchange Commission registration fee regulatory
"Securities and Exchange Commission registration fee $ 68,991"
Rating Agency fees financial
"Rating Agency fees $ 1,125,000"
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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, DC 20549

 

 

 

FORM 8-K

 

 

 

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the

Securities Exchange Act of 1934

 

  Date of report (Date of earliest event reported): June 1, 2026  

 

 

 

Commission File

Number

 

Exact Name of Each Registrant as specified in its

charter; State of Incorporation; Address; and

Telephone Number

 

IRS Employer

Identification No.

1-8962   PINNACLE WEST CAPITAL CORPORATION   86-0512431
    (an Arizona corporation)    
    400 North Fifth Street, P.O. Box 53999    
    Phoenix Arizona 85072-3999    
    (602) 250-1000      

 

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

 

¨  Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
   
¨  Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
   
¨  Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
   
¨  Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

 

Securities registered pursuant to Section 12(b) of the Act:

 

Title of each class Trading Symbol(s) Name of each exchange on which registered
Common Stock PNW The New York Stock Exchange

 

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (17 CFR §230.405) or Rule 12b-2 of the Securities Exchange Act of 1934 (17 CFR §240.12b-2).

 

Emerging growth company ¨

 

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ¨

 

 

 

 

 

 

Item 9.01.Financial Statements and Exhibits.

 

(d)  Exhibits.

 

The registrant hereby files the following Exhibits to Registration Statement on Form S-3 (No. 333-277448, which became effective on February 28, 2024).

 

Exhibit No. 

 

Description 

  Previously Filed
as Exhibit
  Date
Filed
             
1.1   Underwriting Agreement dated June 1, 2026, in connection with the offering of $500,000,000 of 4.650% Senior Notes Due 2029        
             
4.1   Seventh Supplemental Indenture relating to the issuance of $500,000,000 of 4.650% Senior Notes Due 2029        
             
4.2   Specimen Note of 4.650% Senior Notes due 2029        
             
5.1   Opinion of Shirley Baum, Senior Vice President, General Counsel and Corporate Secretary        
             
99.1   Information relating to Item 14 of the Registration Statement on Form S-3 (No. 333-277448)        
             
104   104 Cover Page Interactive Data File (embedded within the Inline XBRL document)        

 

 

 

 

Pursuant to the requirements of the Securities Exchange Act of 1934, each registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

 

    PINNACLE WEST CAPITAL CORPORATION
    (Registrant)
     
Dated: June 5, 2026   By: /s/ Andrew Cooper
    Andrew Cooper
    Senior Vice President and
Chief Financial Officer

 

 

 

Exhibit 99.1

 

Item 14. Other Expenses of Issuance and Distribution.

 

The expenses, other than underwriting discounts and commissions, to be incurred by Pinnacle West Capital Corporation (the “Company”) relating to the offering of $500,000,000 principal amount of its 4.650% Senior Notes due 2029, under the Company’s Registration Statement on Form S-3 (No. 333-277448) and a related prospectus supplement filed with the Securities and Exchange Commission and dated June 1, 2026 are estimated to be as follows:

 

Securities and Exchange Commission registration fee  $68,991 
Printing, engraving, and postage expenses  $15,000 
Legal fees and expenses  $9,500 
Accounting fees and expenses  $75,000 
Rating Agency fees  $1,125,000 
Transfer Agent and Registrar, Trustee and Depository fees and expenses  $10,750 
Total  $1,304,241 

 

 

 

FAQ

What securities is Pinnacle West (PNW) offering in this 8-K filing?

Pinnacle West is offering $500,000,000 principal amount of 4.650% Senior Notes due 2029. These notes are issued under its effective Registration Statement on Form S-3 and a related prospectus supplement dated June 1, 2026.

How much will Pinnacle West (PNW) pay in expenses for the 2029 notes offering?

Estimated expenses for the 4.650% Senior Notes due 2029 total $1,304,241. This figure excludes underwriting discounts and commissions and covers regulatory fees, legal and accounting costs, rating agency charges, and transfer agent, trustee, and depository expenses.

What are the largest cost components in Pinnacle West’s (PNW) note issuance expenses?

The largest cost is rating agency fees of $1,125,000. Other notable expenses include a $68,991 Securities and Exchange Commission registration fee, $75,000 in accounting fees, $15,000 for printing and postage, plus legal and trustee-related costs.

Under which registration statement are Pinnacle West’s 2029 notes being issued?

The 4.650% Senior Notes due 2029 are issued under Pinnacle West’s Registration Statement on Form S-3, No. 333-277448. That registration statement became effective on February 28, 2024 and supports this $500,000,000 offering.

Filing Exhibits & Attachments

8 documents