# EDGAR Filing Document

**Accession Number:** 0000891478
**File Stem:** 0001193125-26-264813
**Filing Date:** 2026-6
**Character Count:** 18372
**Document Hash:** 3171bbde4e46c687759fc9706f3ced9d
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-26-264813.hdr.sgml**: 20260610

**ACCESSION NUMBER**: 0001193125-26-264813

**CONFORMED SUBMISSION TYPE**: SC TO-I/A

**PUBLIC DOCUMENT COUNT**: 13

**FILED AS OF DATE**: 20260610

**DATE AS OF CHANGE**: 20260610

**SUBJECT COMPANY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Banco Santander, S.A.
- **CENTRAL INDEX KEY:** 0000891478
- **STANDARD INDUSTRIAL CLASSIFICATION:** COMMERCIAL BANKS, NEC [6029]
- **ORGANIZATION NAME:** 02 Finance
- **EIN:** 132617929
- **STATE OF INCORPORATION:** U3
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** SC TO-I/A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 005-88558
- **FILM NUMBER:** 261077914

**BUSINESS ADDRESS:**
- **STREET 1:** CIUDAD GRUPO SANTANDER
- **STREET 2:** BOADILLA DEL MONTE
- **CITY:** MADRID
- **STATE:** U3
- **ZIP:** 28660
- **BUSINESS PHONE:** 34 91 289 32 80

**MAIL ADDRESS:**
- **STREET 1:** CIUDAD GRUPO SANTANDER
- **STREET 2:** BOADILLA DEL MONTE
- **CITY:** MADRID
- **STATE:** U3
- **ZIP:** 28660

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** BANCO SANTANDER SA
- **DATE OF NAME CHANGE:** 20070925

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** BANCO SANTANDER CENTRAL HISPANO SA
- **DATE OF NAME CHANGE:** 19990512

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** BANCO SANTANDER S A
- **DATE OF NAME CHANGE:** 19931201
**FILED BY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Banco Santander, S.A.
- **CENTRAL INDEX KEY:** 0000891478
- **STANDARD INDUSTRIAL CLASSIFICATION:** COMMERCIAL BANKS, NEC [6029]
- **ORGANIZATION NAME:** 02 Finance
- **EIN:** 132617929
- **STATE OF INCORPORATION:** U3
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** SC TO-I/A

**BUSINESS ADDRESS:**
- **STREET 1:** CIUDAD GRUPO SANTANDER
- **STREET 2:** BOADILLA DEL MONTE
- **CITY:** MADRID
- **STATE:** U3
- **ZIP:** 28660
- **BUSINESS PHONE:** 34 91 289 32 80

**MAIL ADDRESS:**
- **STREET 1:** CIUDAD GRUPO SANTANDER
- **STREET 2:** BOADILLA DEL MONTE
- **CITY:** MADRID
- **STATE:** U3
- **ZIP:** 28660

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** BANCO SANTANDER SA
- **DATE OF NAME CHANGE:** 20070925

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** BANCO SANTANDER CENTRAL HISPANO SA
- **DATE OF NAME CHANGE:** 19990512

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** BANCO SANTANDER S A
- **DATE OF NAME CHANGE:** 19931201

**UNITED STATES** 

**SECURITIES AND EXCHANGE COMMISSION** 

**Washington, D.C. 20549** 

**Amendment No. 1 to** 

**SCHEDULE TO** 

**(RULE 14d-100)** 

**TENDER OFFER STATEMENT UNDER SECTION 14(d)(1) OR 13(e)(1)** 

**OF THE SECURITIES EXCHANGE ACT OF 1934** 

## BANCO SANTANDER, S.A.
**(Name of Subject Company (Issuer) and Name of Filing Person (Offeror))** 

**4.750% Non-Step-Up Non-Cumulative Contingent Convertible Perpetual Preferred Tier 1 Securities** 

**(CUSIP No. 05971K AH2 / ISIN: US05971KAH23)** 

**(Title and CUSIP No. of Class of Securities)** 

**Ciudad Grupo Santander** 

**28660 Boadilla del Monte (Madrid)** 

**Spain** 

**+34 91 276 92 90** 

**(Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications on Behalf of Filing Person)** 

**Banco Santander, S.A.** 

**New York Branch** 

**437 Madison Avenue** 

**New York, New York 10022** 

**Attn: David Hermer, Branch Manager** 

**+1 (212) 350-3500** 

**(Name, Address and Telephone Number of Agent for Service)** 

***Copies to:***

---

| | |
|:---|:---|
| **Pedro J. Bermeo<br>Davis Polk & Wardwell LLP**<br> **450 Lexington Avenue**<br> **New York, New York 10017**<br> **+1 (212) 450-4000** | **Jeffrey Cohen**<br> **Linklaters LLP**<br> **1290 Avenue of the Americas**<br> **New York, NY 10104**<br> **+1 (212) 903-9014** |

---

☐ Check the box if the filing relates solely to preliminary communications made before the commencement of a tender offer.

Check the appropriate boxes below to designate any transactions to which the statement relates:

☐ third-party tender offer subject to Rule 14d-1.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;☒ issuer tender offer subject to Rule 13e-4.

☐ going-private transaction subject to Rule 13e-3.

☐ amendment to Schedule 13D under Rule 13d-2.

Check the following box if the filing is a final amendment reporting the results of the tender offer: ☐

If applicable, check the appropriate box(es) below to designate the appropriate rule provision(s) relied upon:

☐ Rule 13e-4(i) (Cross-Border Issuer Tender Offer)

☐ Rule 14d-1(d) (Cross-Border Third-Party Tender Offer)

------

**INTRODUCTORY STATEMENT** 

This Amendment No. 1 (this "**Amendment**") amends and supplements the tender offer statement on Schedule TO filed on May 27, 2026 (the "**Original Schedule TO**" and together with this Amendment, the "**Schedule TO**") pursuant to Rule 13e-4 promulgated under the Securities Exchange Act of 1934, as amended, in connection with an offer (the "**Offer**") by Banco Santander, S.A. (the "**Offeror**") to purchase for cash, on the terms and conditions described in the offer to purchase dated May 27, 2026 (the "**Offer to Purchase**"), up to $850,000,000 of the outstanding 4.750% Non-Step-Up Non-Cumulative Contingent Convertible Perpetual Preferred Tier 1 Securities issued by the Offeror (the "**Securities**").

Capitalized terms used herein and not otherwise defined have the respective meanings assigned to such terms in the Original Schedule TO and the Offer to Purchase, as applicable.

**Item 11. Additional Information** 

On June 10, 2026, the Offeror issued a press release announcing the final results of the Offer, which expired at 5:00 p.m., New York City time, on June 9, 2026. Based on information provided by the Tender Agent, $701,600,000 aggregate principal amount of the Securities were validly tendered and not validly withdrawn by 5:00 p.m., New York City time, on June 9, 2026 (the "**Expiration Deadline**"), as more fully set forth below. Banco Santander has accepted all Securities that were validly tendered and not validly withdrawn prior to the Expiration Deadline, without proration. The Settlement Date is expected to be June 11, 2026. A copy of the press release is filed as exhibit (a)(5)(ii) to the Schedule TO and is incorporated herein by reference.

**Item 12. a. Exhibits.** 

Item 12 of the Schedule TO is hereby amended and supplemented by adding the following exhibits thereto:

---

| | |
|:---|:---|
| **Number** | **Description** |
| (a)(5)(ii) | [Press release dated June 10, 2026.](d111441dex99a5ii.htm) |

---

**Item 12. b. Filing Fees** 

[Filing](d111441dexfilingfees.htm) [Fee Exhibit\*](d111441dexfilingfees.htm)

\* Filed herewith.

------

**SIGNATURES** 

After due inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

---

| | |
|:---|:---|
| BANCO SANTANDER, S.A. | BANCO SANTANDER, S.A. |
| By: | /s/ Silvana Leticia Borgatti Casale |
|  | Name: Silvana Leticia Borgatti Casale |
|  | Title: Authorized Signatory |

---

Date: June 10, 2026

------

**EXHIBIT INDEX** 

---

| | |
|:---|:---|
| **Number** | **Description** |
| (a)(1)\* | Offer to Purchase, dated May 27, 2026. |
| (a)(2) | Not applicable. |
| (a)(3) | Not applicable. |
| (a)(4) | Not applicable. |
| (a)(5)(i)\* | Press Release. |
| (a)(5)(ii) | [Press release dated June 10, 2026.](d111441dex99a5ii.htm) |
| (b) | Not applicable. |
| (d)(1)\* | Indenture dated as of May 12, 2021 between Banco Santander, S.A., as issuer, and The Bank of New York Mellon, London Branch, as trustee (incorporated herein by reference from Exhibit 4.1 to the Form 6-K filed with the Commission on May 12, 2021 (Accession No.[0001193125-21-159120](http://www.sec.gov/Archives/edgar/data/891478/000119312521159120/d142732dex41.htm))). |
| (d)(2)\* | First Supplemental Indenture dated as of May 12, 2021 between Banco Santander, S.A., as issuer, and The Bank of New York Mellon, London Branch, as trustee (incorporated herein by reference from Exhibit 4.2 to the Form 6-K filed with the Commission on May 12, 2021 (Accession No.[0001193125-21-159120](http://www.sec.gov/Archives/edgar/data/891478/000119312521159120/d142732dex42.htm))). |
| (g) | Not applicable. |
| (h) | Not applicable. |

---

**\*** Previously filed.

## Ex-99.(A)(5)(Ii)

**Exhibit (a)(5)(ii)**![LOGO](g111441g06r06.jpg)

June 10, 2026

**BANCO SANTANDER, S.A. ANNOUNCES RESULTS OF TENDER OFFER FOR ONE SERIES OF ITS U.S. DOLLAR-DENOMINATED ADDITIONAL TIER 1 SECURITIES** 

Banco Santander, S.A. (the "**Offeror**" or "**Banco Santander**") is today announcing the results of its tender offer (the "**Offer**") to purchase for cash up to $850,000,000 (the "**Maximum Offer Amount**") of its outstanding 4.750% Non-Step-Up Non-Cumulative Contingent Convertible Perpetual Preferred Tier 1 Securities of Banco Santander (the "**Securities**").

The Offer was made on the terms and subject to the conditions set out in the Offer to Purchase dated May 27, 2026 (the "**Offer to Purchase**"). Capitalized terms not otherwise defined in this announcement have the same meaning as in the Offer to Purchase.

Based on information provided by the Tender Agent, $701,600,000 aggregate principal amount of the Securities listed in the table below were validly tendered and not validly withdrawn by 5:00 p.m., New York City time, on June 9, 2026 (the "**Expiration Deadline**"), as more fully set forth below. Banco Santander has accepted all Securities that were validly tendered and not validly withdrawn prior to the Expiration Deadline, without proration. The Settlement Date is expected to be June 11, 2026.

Securities purchased by Banco Santander pursuant to the Offer will be cancelled and will not be re-issued or re-sold. Securities which have not been validly submitted and accepted for purchase pursuant to the Offer will remain outstanding. The aggregate principal amount of Securities outstanding after the Offer is $298,400,000.

The table below sets forth, among other things, the principal amount of the Securities validly tendered and accepted pursuant to the Offer:

---

| | | | | | |
|:---|:---|:---|:---|:---|:---|
| **Securities** | **CUSIP / ISIN** | **Purchase<br>Price(1)** | **Tender<br>Consideration(2)** | **Aggregate<br>Principal<br>Amount<br>Accepted** | **Aggregate<br>Principal<br>Amount<br>Outstanding<br>After the Offer** |
| 4.750% Non-Step-Up Non-Cumulative Contingent Convertible Perpetual Preferred Tier 1 Securities | CUSIP No. 05971K<br>AH2 / ISIN:<br>US05971KAH23 | 100.1% | $1,001 per<br>$1,000 of<br>nominal<br>amount<br>tendered,<br>provided that<br>Securities<br>may only be<br>tendered in<br>multiples of<br>$200,000 | $701600000 | $298400000 |

---

(1) The Purchase Price shall be 100.1% of the nominal amount of the Securities accepted for purchase pursuant to
the Offer. Securities could only be tendered in multiples of $200,000, being the liquidation preference of the Securities.

------

(2) The Tender Consideration payable on the Settlement Date to a holder whose Securities are validly tendered and
accepted for purchase by the Offeror pursuant to the Offer will be an amount per $1,000 of nominal amount of such tendered securities in U.S. dollars equal to the product of (x) the Purchase Price and (y) the nominal amount of such
Securities. In addition to the Tender Consideration, holders whose Securities are validly tendered and accepted for purchase will receive the Distribution Payment, if any, in respect of such Securities. With respect to any Securities validly
tendered and accepted for purchase by the Offeror pursuant to the Offer, the "Distribution Payment" is an amount in cash (rounded to the nearest $0.01, with $0.005 being rounded upwards) equal to the Distribution on such Securities.
"Distributions" consist of distributions accrued and unpaid (if any) on the Securities from (and including) the distribution payment date in respect of such Securities immediately preceding the Settlement Date to (but excluding) the
Settlement Date, calculated in accordance with the terms and conditions of the Securities, unless distributions on the Securities for that period are cancelled.

D.F. King & Co., Inc. acted as tender agent for the Offer. Santander US Capital Markets LLC acted as Dealer Manager for the Offer. Questions regarding the Offer should be directed to:

---

| | |
|:---|:---|
| **Tender Agent**<br>|  |
| D.F. King & Co., Inc.<br>| Email: san@dfking.com |
| 28 Liberty Street, 53<sup>rd</sup> Floor <br>New York, New York 10005 <br>United States<br>| Banks and Brokers call: (646) 963-9141 <br>All others call toll free: (866) 340-7108 <br>Website: www.dfking.com/santander |
| **Dealer Manager**<br>|  |
| Santander US Capital Markets LLC | 437 Madison Avenue <br>New York, New York 10022 <br>United States<br>Tel (U.S. Toll Free): +1 (855) 404-3636 <br>Tel (collect): +1 (212) 350-0660 <br>Attn: Liability Management Team <br>Email (Americas): <u>AmericasLM@santander.us</u> <br> Email (Europe): LiabilityManagement@gruposantander.com |

---

**Disclaimer** 

This announcement and the Offer to Purchase (including the documents incorporated by reference therein) contain important information which should be read carefully. If you are in any doubt as to the contents of this announcement or the Offer to Purchase or the action you should take, you are recommended to seek your own financial, legal, regulatory and tax advice, including as to any tax consequences, immediately from your stockbroker, bank manager, attorney, accountant or other independent financial, tax or legal adviser.

**Additional Information in Respect of the Offer and Where to Find It** 

Banco Santander has filed with the Securities and Exchange Commission (the "**SEC**") a tender offer statement on Schedule TO, accompanied by the Offer to Purchase and related documents relating to the Offer. Holders are advised to read carefully the tender offer statement, the Offer to Purchase and other documents which Banco Santander will file with the SEC as they contain important information about the Offer. Copies of these documents are available for free by visiting EDGAR on the SEC website at www.sec.gov. In addition, copies of the Schedule TO and the documents filed with it may be obtained free of charge by contacting Investor Relations, Ciudad Grupo Santander, Avenida de Cantabria s/n, 28660 Boadilla del Monte, Madrid, Spain (telephone: (011) 34-91-259-6520).

------

**Forward-Looking Statements** 

This announcement contains certain forward-looking statements within the meaning of Section 21E of the US Securities Exchange Act of 1934, as amended, and section 27A of the US Securities Act of 1933, as amended, with respect to Banco Santander, S.A. together with its subsidiaries (the "**Group**") and its current goals and expectations. Statements that are not historical or current facts, including statements about the Group's or its directors' and/or management's beliefs and expectations, are forward looking statements. Words such as, without limitation, 'believes', 'achieves', 'anticipates', 'estimates', 'expects', 'targets', 'should', 'intends', 'aims', 'projects', 'plans', 'potential', 'will', 'would', 'could', 'considered', 'likely', 'may', 'seek', 'estimate', 'probability', 'goal', 'objective', 'deliver', 'endeavour', 'prospects', 'optimistic' and similar expressions or variations on these expressions are intended to identify forward looking statements. These statements concern or may affect future matters, including but not limited to matters, influences and factors which are beyond the Group's control. Please refer to the latest Annual Report on Form 20-F filed by Banco Santander, S.A. with the US Securities and Exchange Commission (the SEC), which is available on the SEC's website at www.sec.gov, for a discussion of certain factors and risks. Banco Santander, S.A. may also make or disclose written and/or oral forward-looking statements in other written materials and in oral statements made by the directors, officers or employees of Banco Santander, S.A. to third parties, including financial analysts.

Except as required by any applicable law or regulation, the forward-looking statements contained in this document are made as of today's date, and the Group expressly disclaims any obligation or undertaking to release publicly any updates or revisions to any forward looking statements contained in this document whether as a result of new information, future events or otherwise. The information, statements and opinions contained in this document do not constitute a public offer under any applicable law or an offer to sell any securities or financial instruments or any advice or recommendation with respect to such securities or financial instruments.

## Ex-Filing

?xml version='1.0' encoding='ASCII'? EX-FILING FEES

 **Calculation of Filing Fee Tables** <br>

---

| | | | |
|:---|:---|:---|:---|
| | | **Transaction Valuation**  | **Amount of Filing Fee**  |
| Fees to be Paid |  |  |  |
| Fees Previously Paid | 1 | $850850000.00 | $117502.38 |
|  | Total Transaction Valuation: | $850850000.00  |  |
|  | Total Fees Due for Filing: |  | $117502.38  |
|  | Total Fees Previously Paid:  |  | $117502.38  |
|  | Total Fee Offsets:  |  | $0.00  |
|  | Net Fee Due:  |  | $0.00  |

---

 **Offering Note** <br>

<sup>1</sup> (1) Estimated for purposes of calculating the amount of the filing fee only. Calculated as the aggregate maximum purchase price to be paid for up to $850,000,000 of the $1,000,000,000 4.750% Non-Step-Up Non-Cumulative Contingent Convertible Perpetual Preferred Tier 1 Securities (the "Securities) in the offer, assuming 100% of the Securities will be purchased at the purchase price of $1,001.00 per $1,000 principal amount of the Securities being tendered. (2) Calculated at $138.10 per $1,000,000 of the Transaction Valuation, pursuant to Rule 0-11 of the Securities Exchange Act of 1934, as amended. The fee of $117,502.38 was previously paid in connection with the filing of the Schedule TO-I by Banco Santander, S.A. (File No. 0001193125-26-240374) on May 27, 2026 (the "Schedule TO"). This is the final amendment to the Schedule TO and is being filed to report the results of the offer.

---

| |
|:---|
| |
| Fee Offset Claims |
| Fee Offset Sources |

---