# EDGAR Filing Document

**Accession Number:** 0001856525
**File Stem:** 0001193125-23-032824
**Filing Date:** 2023-2
**Character Count:** 50807
**Document Hash:** aa73d59ef7bbb00ead46101436a86d25
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-23-032824.hdr.sgml**: 20230210

**ACCESSION NUMBER**: 0001193125-23-032824

**CONFORMED SUBMISSION TYPE**: SC 13G/A

**PUBLIC DOCUMENT COUNT**: 2

**FILED AS OF DATE**: 20230210

**DATE AS OF CHANGE**: 20230210

**GROUP MEMBERS**: CD&R ASSOCIATES X WATERWORKS, L.P.

**GROUP MEMBERS**: CD&R FUND X ADVISOR WATERWORKS B, L.P.

**GROUP MEMBERS**: CD&R FUND X WATERWORKS B1, L.P.

**GROUP MEMBERS**: CD&R FUND X-A WATERWORKS B, L.P.

**GROUP MEMBERS**: CD&R WATERWORKS HOLDINGS G.P., LTD.

**GROUP MEMBERS**: CD&R WATERWORKS HOLDINGS, L.P.

**GROUP MEMBERS**: CD&R WATERWORKS HOLDINGS, LLC

**GROUP MEMBERS**: CORE & MAIN MANAGEMENT FEEDER, LLC

**SUBJECT COMPANY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Core & Main, Inc.
- **CENTRAL INDEX KEY:** 0001856525
- **STANDARD INDUSTRIAL CLASSIFICATION:** WHOLESALE-DURABLE GOODS, NEC [5099]
- **IRS NUMBER:** 863149194
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** SC 13G/A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 005-93463
- **FILM NUMBER:** 23613231

**BUSINESS ADDRESS:**
- **STREET 1:** 1830 CRAIG PARK COURT
- **CITY:** ST. LOUIS
- **STATE:** MO
- **ZIP:** 63146
- **BUSINESS PHONE:** 314-432-4700

**MAIL ADDRESS:**
- **STREET 1:** 1830 CRAIG PARK COURT
- **CITY:** ST. LOUIS
- **STATE:** MO
- **ZIP:** 63146
**FILED BY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** CD&R Investment Associates X, Ltd.
- **CENTRAL INDEX KEY:** 0001759120
- **IRS NUMBER:** 000000000
- **STATE OF INCORPORATION:** E9

**FILING VALUES:**
- **FORM TYPE:** SC 13G/A

**BUSINESS ADDRESS:**
- **STREET 1:** CLAYTON, DUBILIER & RICE, LLC
- **STREET 2:** 375 PARK AVENUE, 18TH FLOOR
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10152
- **BUSINESS PHONE:** 212 407 5200

**MAIL ADDRESS:**
- **STREET 1:** CLAYTON, DUBILIER & RICE, LLC
- **STREET 2:** 375 PARK AVENUE, 18TH FLOOR
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10152

------

------

**UNITED STATES** 

**SECURITIES AND EXCHANGE COMMISSION** 

**Washington, D.C. 20549** 

------

**SCHEDULE 13G** 

**Under the Securities Exchange Act of 1934** 

**(Amendment No. 1)\*** 

------

## Core & Main, Inc.
**(Name of Issuer)** 

**Class A Common Stock, par value $0.01 per share** 

**(Title of Class of Securities)** 

**21874C 102** 

**(CUSIP Number)** 

**December 31, 2022** 

**(Date of Event Which Requires Filing of this Statement)** 

------

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

☐ Rule 13d-1(b)

☐ Rule 13d-1(c)

☒ Rule 13d-1(d)

\* The remainder of this cover page shall be filled out for a reporting person's initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page.

The information required in the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).

------

CUSIP No. 21874C 102

1. &nbsp;&nbsp;&nbsp;&nbsp; Names of Reporting Persons &nbsp;&nbsp;&nbsp;&nbsp; CD&R Fund X Advisor Waterworks B, L.P.

2. &nbsp;&nbsp;&nbsp;&nbsp; Check the Appropriate Box
if a Member of a Group (See Instructions) &nbsp;&nbsp;&nbsp;&nbsp; (a) ☐ (b) ☒

3. &nbsp;&nbsp;&nbsp;&nbsp; SEC Use Only

4. &nbsp;&nbsp;&nbsp;&nbsp; Citizenship or Place of
Organization &nbsp;&nbsp;&nbsp;&nbsp; Cayman
Islands

---

| | | |
|:---|:---|:---|
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned by<br> Each<br> Reporting<br> Person<br> With | 5. | &nbsp;&nbsp;&nbsp;&nbsp;Sole Voting Power<br>&nbsp;&nbsp;&nbsp;&nbsp;0 |
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned by<br> Each<br> Reporting<br> Person<br> With | 6. | &nbsp;&nbsp;&nbsp;&nbsp;Shared Voting Power<br>&nbsp;&nbsp;&nbsp;&nbsp;612,411 |
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned by<br> Each<br> Reporting<br> Person<br> With | 7. | &nbsp;&nbsp;&nbsp;&nbsp;Sole Dispositive Power<br>&nbsp;&nbsp;&nbsp;&nbsp;0 |
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned by<br> Each<br> Reporting<br> Person<br> With | 8. | &nbsp;&nbsp;&nbsp;&nbsp;Shared Dispositive Power<br>&nbsp;&nbsp;&nbsp;&nbsp;612,411 |

---

9. &nbsp;&nbsp;&nbsp;&nbsp; Aggregate Amount Beneficially Owned by Each Reporting Person &nbsp;&nbsp;&nbsp;&nbsp; 612,411

10. &nbsp;&nbsp;&nbsp;&nbsp; Check if the Aggregate
Amount in Row (9) Excludes Certain Shares (See Instructions) &nbsp;&nbsp;&nbsp;&nbsp; ☒

11. &nbsp;&nbsp;&nbsp;&nbsp; Percent of
Class Represented by Amount in Row (9) &nbsp;&nbsp;&nbsp;&nbsp; 0.4% <sup>(1)</sup>

12. &nbsp;&nbsp;&nbsp;&nbsp; Type of Reporting Person
(See Instructions) &nbsp;&nbsp;&nbsp;&nbsp; PN

------

(1) Based on 172,399,331 shares of Class A common stock of Core & Main, Inc. (the "Issuer")
outstanding as of December 9, 2022, as reported in the Issuer's quarterly report on Form 10-Q for the quarter ended October 30, 2022 filed with the Securities and Exchange Commission (the
"SEC") on December 13, 2022 (the "Form 10-Q").

------

CUSIP No. 21874C 102

1. &nbsp;&nbsp;&nbsp;&nbsp; Names of Reporting Persons &nbsp;&nbsp;&nbsp;&nbsp; CD&R Fund X Waterworks B1, L.P.

2. &nbsp;&nbsp;&nbsp;&nbsp; Check the Appropriate Box
if a Member of a Group (See Instructions) &nbsp;&nbsp;&nbsp;&nbsp; (a) ☐ (b) ☒

3. &nbsp;&nbsp;&nbsp;&nbsp; SEC Use Only

4. &nbsp;&nbsp;&nbsp;&nbsp; Citizenship or Place of
Organization &nbsp;&nbsp;&nbsp;&nbsp; Cayman
Islands

---

| | | |
|:---|:---|:---|
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned by<br> Each<br> Reporting<br> Person<br> With | 5. | &nbsp;&nbsp;&nbsp;&nbsp;Sole Voting Power<br>&nbsp;&nbsp;&nbsp;&nbsp;0 |
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned by<br> Each<br> Reporting<br> Person<br> With | 6. | &nbsp;&nbsp;&nbsp;&nbsp;Shared Voting Power<br>&nbsp;&nbsp;&nbsp;&nbsp;91,661,962 |
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned by<br> Each<br> Reporting<br> Person<br> With | 7. | &nbsp;&nbsp;&nbsp;&nbsp;Sole Dispositive Power<br>&nbsp;&nbsp;&nbsp;&nbsp;0 |
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned by<br> Each<br> Reporting<br> Person<br> With | 8. | &nbsp;&nbsp;&nbsp;&nbsp;Shared Dispositive Power<br>&nbsp;&nbsp;&nbsp;&nbsp;91,661,962 |

---

9. &nbsp;&nbsp;&nbsp;&nbsp; Aggregate Amount Beneficially Owned by Each Reporting Person &nbsp;&nbsp;&nbsp;&nbsp; 91,661,962

10. &nbsp;&nbsp;&nbsp;&nbsp; Check if the Aggregate
Amount in Row (9) Excludes Certain Shares (See Instructions) &nbsp;&nbsp;&nbsp;&nbsp; ☒

11. &nbsp;&nbsp;&nbsp;&nbsp; Percent of
Class Represented by Amount in Row (9) &nbsp;&nbsp;&nbsp;&nbsp; 53.2% <sup>(1)</sup>

12. &nbsp;&nbsp;&nbsp;&nbsp; Type of Reporting Person
(See Instructions) &nbsp;&nbsp;&nbsp;&nbsp; PN

------

(1) Based on 172,399,331 shares of the Issuer's Class A common stock outstanding as of December 9,
2022, as reported in the Form 10-Q.

------

CUSIP No. 21874C 102

1. &nbsp;&nbsp;&nbsp;&nbsp; Names of Reporting Persons &nbsp;&nbsp;&nbsp;&nbsp; CD&R Fund X-A Waterworks B, L.P.

2. &nbsp;&nbsp;&nbsp;&nbsp; Check the Appropriate Box
if a Member of a Group (See Instructions) &nbsp;&nbsp;&nbsp;&nbsp; (a) ☐ (b) ☒

3. &nbsp;&nbsp;&nbsp;&nbsp; SEC Use Only

4. &nbsp;&nbsp;&nbsp;&nbsp; Citizenship or Place of
Organization &nbsp;&nbsp;&nbsp;&nbsp; Cayman
Islands

---

| | | |
|:---|:---|:---|
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned by<br> Each<br> Reporting<br> Person<br> With | 5. | &nbsp;&nbsp;&nbsp;&nbsp;Sole Voting Power<br>&nbsp;&nbsp;&nbsp;&nbsp;0 |
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned by<br> Each<br> Reporting<br> Person<br> With | 6. | &nbsp;&nbsp;&nbsp;&nbsp;Shared Voting Power<br>&nbsp;&nbsp;&nbsp;&nbsp;8,246,997 |
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned by<br> Each<br> Reporting<br> Person<br> With | 7. | &nbsp;&nbsp;&nbsp;&nbsp;Sole Dispositive Power<br>&nbsp;&nbsp;&nbsp;&nbsp;0 |
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned by<br> Each<br> Reporting<br> Person<br> With | 8. | &nbsp;&nbsp;&nbsp;&nbsp;Shared Dispositive Power<br>&nbsp;&nbsp;&nbsp;&nbsp;8,246,997 |

---

9. &nbsp;&nbsp;&nbsp;&nbsp; Aggregate Amount Beneficially Owned by Each Reporting Person &nbsp;&nbsp;&nbsp;&nbsp; 8,246,997

10. &nbsp;&nbsp;&nbsp;&nbsp; Check if the Aggregate
Amount in Row (9) Excludes Certain Shares (See Instructions) &nbsp;&nbsp;&nbsp;&nbsp; ☒

11. &nbsp;&nbsp;&nbsp;&nbsp; Percent of
Class Represented by Amount in Row (9) &nbsp;&nbsp;&nbsp;&nbsp; 4.8% <sup>(1)</sup>

12. &nbsp;&nbsp;&nbsp;&nbsp; Type of Reporting Person
(See Instructions) &nbsp;&nbsp;&nbsp;&nbsp; PN

------

(1) Based on 172,399,331 shares of the Issuer's Class A common stock outstanding as of December 9,
2022, as reported in the Form 10-Q.

------

CUSIP No. 21874C 102

1. &nbsp;&nbsp;&nbsp;&nbsp; Names of Reporting Persons &nbsp;&nbsp;&nbsp;&nbsp; CD&R Waterworks Holdings, LLC

2. &nbsp;&nbsp;&nbsp;&nbsp; Check the Appropriate Box
if a Member of a Group (See Instructions) &nbsp;&nbsp;&nbsp;&nbsp; (a) ☐ (b) ☒

3. &nbsp;&nbsp;&nbsp;&nbsp; SEC Use Only

4. &nbsp;&nbsp;&nbsp;&nbsp; Citizenship or Place of
Organization &nbsp;&nbsp;&nbsp;&nbsp; Delaware

---

| | | |
|:---|:---|:---|
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned by<br> Each<br> Reporting<br> Person<br> With | 5. | &nbsp;&nbsp;&nbsp;&nbsp;Sole Voting Power<br>&nbsp;&nbsp;&nbsp;&nbsp;0 |
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned by<br> Each<br> Reporting<br> Person<br> With | 6. | &nbsp;&nbsp;&nbsp;&nbsp;Shared Voting Power<br>&nbsp;&nbsp;&nbsp;&nbsp;60,275,374 <sup>(1)</sup>  |
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned by<br> Each<br> Reporting<br> Person<br> With | 7. | &nbsp;&nbsp;&nbsp;&nbsp;Sole Dispositive Power<br>&nbsp;&nbsp;&nbsp;&nbsp;0 |
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned by<br> Each<br> Reporting<br> Person<br> With | 8. | &nbsp;&nbsp;&nbsp;&nbsp;Shared Dispositive Power<br>&nbsp;&nbsp;&nbsp;&nbsp;60,275,374 <sup>(1)</sup>  |

---

9. &nbsp;&nbsp;&nbsp;&nbsp; Aggregate Amount Beneficially Owned by Each Reporting Person &nbsp;&nbsp;&nbsp;&nbsp; 60,275,374 <sup>(1)</sup>

10. &nbsp;&nbsp;&nbsp;&nbsp; Check if the Aggregate
Amount in Row (9) Excludes Certain Shares (See Instructions) &nbsp;&nbsp;&nbsp;&nbsp; ☒

11. &nbsp;&nbsp;&nbsp;&nbsp; Percent of
Class Represented by Amount in Row (9) &nbsp;&nbsp;&nbsp;&nbsp; 25.9% <sup>(2)</sup>

12. &nbsp;&nbsp;&nbsp;&nbsp; Type of Reporting Person
(See Instructions) &nbsp;&nbsp;&nbsp;&nbsp; OO

------

(1) Includes 60,275,374 shares of the Issuer's Class A common stock issuable upon exchange of partnership
interests ("Partnership Interests") of Core & Main Holdings, LP ("Holdings"), together with the retirement of an equal number of shares of Class B common stock of the Issuer, held directly by the Reporting Person,
on a one-for-one basis or, at the election of a majority of the disinterested members of the Issuer's board of directors, for cash from a substantially concurrent
public offering or private sale (based on the Class A common stock sold in such public offering or private sale), net of any underwriting discounts and commissions, for each Partnership Interest exchanged, subject to customary conversion rate
adjustments for stock splits, stock dividends, reclassifications and other similar transactions, as well as any adjustment on account of any discrepancy in distributions made to such holder not made on a pro rata basis.

(2) Based on an aggregate of 172,399,331 shares of the Issuer's Class A common stock outstanding as of
December 9, 2022, as reported in the Form 10-Q, as well as 60,275,374 shares of the Issuer's Class A common stock issuable to the Reporting Person, as set forth in the prior footnote.

------

CUSIP No. 21874C 102

1. &nbsp;&nbsp;&nbsp;&nbsp; Names of Reporting Persons &nbsp;&nbsp;&nbsp;&nbsp; Core & Main Management Feeder, LLC

2. &nbsp;&nbsp;&nbsp;&nbsp; Check the Appropriate Box
if a Member of a Group (See Instructions) &nbsp;&nbsp;&nbsp;&nbsp; (a) ☐ (b) ☒

3. &nbsp;&nbsp;&nbsp;&nbsp; SEC Use Only

4. &nbsp;&nbsp;&nbsp;&nbsp; Citizenship or Place of
Organization &nbsp;&nbsp;&nbsp;&nbsp; Delaware

---

| | | |
|:---|:---|:---|
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned by<br> Each<br> Reporting<br> Person<br> With | 5. | &nbsp;&nbsp;&nbsp;&nbsp;Sole Voting Power<br>&nbsp;&nbsp;&nbsp;&nbsp;0 |
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned by<br> Each<br> Reporting<br> Person<br> With | 6. | &nbsp;&nbsp;&nbsp;&nbsp;Shared Voting Power<br>&nbsp;&nbsp;&nbsp;&nbsp;13,228,739 <sup>(1)</sup>  |
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned by<br> Each<br> Reporting<br> Person<br> With | 7. | &nbsp;&nbsp;&nbsp;&nbsp;Sole Dispositive Power<br>&nbsp;&nbsp;&nbsp;&nbsp;0 |
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned by<br> Each<br> Reporting<br> Person<br> With | 8. | &nbsp;&nbsp;&nbsp;&nbsp;Shared Dispositive Power<br>&nbsp;&nbsp;&nbsp;&nbsp;13,228,739 <sup>(1)</sup>  |

---

9. &nbsp;&nbsp;&nbsp;&nbsp; Aggregate Amount Beneficially Owned by Each Reporting Person &nbsp;&nbsp;&nbsp;&nbsp; 13,228,739 <sup>(1)</sup>

10. &nbsp;&nbsp;&nbsp;&nbsp; Check if the Aggregate
Amount in Row (9) Excludes Certain Shares (See Instructions) &nbsp;&nbsp;&nbsp;&nbsp; ☒

11. &nbsp;&nbsp;&nbsp;&nbsp; Percent of
Class Represented by Amount in Row (9) &nbsp;&nbsp;&nbsp;&nbsp; 7.1% <sup>(2)</sup>

12. &nbsp;&nbsp;&nbsp;&nbsp; Type of Reporting Person
(See Instructions) &nbsp;&nbsp;&nbsp;&nbsp; OO

------

(1) Includes 13,223,551 shares of the Issuer's Class A common stock issuable upon exchange of Partnership
Interests of Holdings, together with the retirement of an equal number of shares of Class B common stock of the Issuer, held directly by the Reporting Person, on a one-for-one basis or, at the election of a majority of the disinterested members of the Issuer's board of directors, for cash from a substantially concurrent public
offering or private sale (based on the Class A common stock sold in such public offering or private sale), net of any underwriting discounts and commissions, for each Partnership Interest exchanged, subject to customary conversion rate
adjustments for stock splits, stock dividends, reclassifications and other similar transactions, as well as any adjustment on account of any discrepancy in distributions made to such holder not made on a pro rata basis.

(2) Based on an aggregate of 172,399,331 shares of the Issuer's Class A common stock outstanding as of
December 9, 2022, as reported in the Form 10-Q, as well as 13,223,551 shares of the Issuer's Class A common stock issuable to the Reporting Person, as set forth in the prior footnote.

------

CUSIP No. 21874C 102

1. &nbsp;&nbsp;&nbsp;&nbsp; Names of Reporting Persons &nbsp;&nbsp;&nbsp;&nbsp; CD&R Waterworks Holdings, L.P.

2. &nbsp;&nbsp;&nbsp;&nbsp; Check the Appropriate Box
if a Member of a Group (See Instructions) &nbsp;&nbsp;&nbsp;&nbsp; (a) ☐ (b) ☒

3. &nbsp;&nbsp;&nbsp;&nbsp; SEC Use Only

4. &nbsp;&nbsp;&nbsp;&nbsp; Citizenship or Place of
Organization &nbsp;&nbsp;&nbsp;&nbsp; Delaware

---

| | | |
|:---|:---|:---|
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned by<br> Each<br> Reporting<br> Person<br> With | 5. | &nbsp;&nbsp;&nbsp;&nbsp;Sole Voting Power<br>&nbsp;&nbsp;&nbsp;&nbsp;0 |
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned by<br> Each<br> Reporting<br> Person<br> With | 6. | &nbsp;&nbsp;&nbsp;&nbsp;Shared Voting Power<br>&nbsp;&nbsp;&nbsp;&nbsp;60,275,374 <sup>(1)</sup>  |
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned by<br> Each<br> Reporting<br> Person<br> With | 7. | &nbsp;&nbsp;&nbsp;&nbsp;Sole Dispositive Power<br>&nbsp;&nbsp;&nbsp;&nbsp;0 |
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned by<br> Each<br> Reporting<br> Person<br> With | 8. | &nbsp;&nbsp;&nbsp;&nbsp;Shared Dispositive Power<br>&nbsp;&nbsp;&nbsp;&nbsp;60,275,374 <sup>(1)</sup>  |

---

9. &nbsp;&nbsp;&nbsp;&nbsp; Aggregate Amount Beneficially Owned by Each Reporting Person &nbsp;&nbsp;&nbsp;&nbsp; 60,275,374 <sup>(1)</sup>

10. &nbsp;&nbsp;&nbsp;&nbsp; Check if the Aggregate
Amount in Row (9) Excludes Certain Shares (See Instructions) &nbsp;&nbsp;&nbsp;&nbsp; ☒

11. &nbsp;&nbsp;&nbsp;&nbsp; Percent of
Class Represented by Amount in Row (9) &nbsp;&nbsp;&nbsp;&nbsp; 25.9% <sup>(2)</sup>

12. &nbsp;&nbsp;&nbsp;&nbsp; Type of Reporting Person
(See Instructions) &nbsp;&nbsp;&nbsp;&nbsp; PN

------

1) Includes 60,275,374 shares of the Issuer's Class A common stock issuable upon exchange of Partnership Interests of Holdings, together with the retirement of an equal number of shares of Class B common stock of the Issuer, held directly by CD&R Waterworks Holdings, LLC, on a one-for-one basis or, at the election of a majority of the disinterested members of the Issuer's board of directors, for cash from a substantially concurrent public offering or private sale (based on the Class A common stock sold in such public offering or private sale), net of any underwriting discounts and commissions, for each Partnership Interest exchanged, subject to customary conversion rate adjustments for stock splits, stock dividends, reclassifications and other similar transactions, as well as any adjustment on account of any discrepancy in distributions made to such holder not made on a pro rata basis. 

(2) Based on an aggregate of 172,399,331 shares of the Issuer's Class A common stock outstanding as of
December 9, 2022, as reported in the Form 10-Q, as well as 60,275,374 shares of the Issuer's Class A common stock issuable to CD&R Waterworks Holdings, LLC, as set forth in the prior
footnote.

------

CUSIP No. 21874C 102

1. &nbsp;&nbsp;&nbsp;&nbsp; Names of Reporting Persons &nbsp;&nbsp;&nbsp;&nbsp; CD&R Waterworks Holdings G.P., Ltd.

2. &nbsp;&nbsp;&nbsp;&nbsp; Check the Appropriate Box
if a Member of a Group (See Instructions) &nbsp;&nbsp;&nbsp;&nbsp; (a) ☐ (b) ☒

3. &nbsp;&nbsp;&nbsp;&nbsp; SEC Use Only

4. &nbsp;&nbsp;&nbsp;&nbsp; Citizenship or Place of
Organization &nbsp;&nbsp;&nbsp;&nbsp; Cayman
Islands

---

| | | |
|:---|:---|:---|
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned by<br> Each<br> Reporting<br> Person<br> With | 5. | &nbsp;&nbsp;&nbsp;&nbsp;Sole Voting Power<br>&nbsp;&nbsp;&nbsp;&nbsp;0 |
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned by<br> Each<br> Reporting<br> Person<br> With | 6. | &nbsp;&nbsp;&nbsp;&nbsp;Shared Voting Power<br>&nbsp;&nbsp;&nbsp;&nbsp;174,025,483 <sup>(1)(2)</sup> |
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned by<br> Each<br> Reporting<br> Person<br> With | 7. | &nbsp;&nbsp;&nbsp;&nbsp;Sole Dispositive Power<br>&nbsp;&nbsp;&nbsp;&nbsp;0 |
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned by<br> Each<br> Reporting<br> Person<br> With | 8. | &nbsp;&nbsp;&nbsp;&nbsp;Shared Dispositive Power<br>&nbsp;&nbsp;&nbsp;&nbsp;160,796,744 <sup>(2)</sup> |

---

9. &nbsp;&nbsp;&nbsp;&nbsp; Aggregate Amount Beneficially Owned by Each Reporting Person &nbsp;&nbsp;&nbsp;&nbsp; 174,025,483 <sup>(1)(2)</sup>

10. &nbsp;&nbsp;&nbsp;&nbsp; Check if the Aggregate
Amount in Row (9) Excludes Certain Shares (See Instructions) &nbsp;&nbsp;&nbsp;&nbsp; ☐

11. &nbsp;&nbsp;&nbsp;&nbsp; Percent of
Class Represented by Amount in Row (9) &nbsp;&nbsp;&nbsp;&nbsp; 70.8% <sup>(3)</sup>

12. &nbsp;&nbsp;&nbsp;&nbsp; Type of Reporting Person
(See Instructions) &nbsp;&nbsp;&nbsp;&nbsp; OO

------

(1) Includes 13,223,551 shares of the Issuer's Class A common stock issuable upon exchange of Partnership
Interests of Holdings, together with the retirement of an equal number of shares of Class B common stock of the Issuer, held directly by Core & Main Management Feeder, LLC, on a one-for-one basis or, at the election of a majority of the disinterested members of the Issuer's board of directors, for cash from a substantially concurrent public offering or private sale (based on the
Class A common stock sold in such public offering or private sale), net of any underwriting discounts and commissions, for each Partnership Interest exchanged, subject to customary conversion rate adjustments for stock splits, stock dividends,
reclassifications and other similar transactions, as well as any adjustment on account of any discrepancy in distributions made to such holder not made on a pro rata basis.

(2) Includes 60,275,374 shares of the Issuer's Class A common stock issuable upon exchange of Partnership
Interests of Holdings, together with the retirement of an equal number of shares of Class B common stock of the Issuer, held directly by CD&R Waterworks Holdings, LLC, on a one-for-one basis or, at the election of a majority of the disinterested members of the Issuer's board of directors, for cash from a substantially concurrent public
offering or private sale (based on the Class A common stock sold in such public offering or private sale), net of any underwriting discounts and commissions, for each Partnership Interest exchanged, subject to customary conversion rate
adjustments for stock splits, stock dividends, reclassifications and other similar transactions, as well as any adjustment on account of any discrepancy in distributions made to such holder not made on a pro rata basis.

(3) Based on an aggregate of 172,399,331 shares of the Issuer's Class A common stock outstanding as of
December 9, 2022, as reported in the Form 10-Q, as well as 73,498,925 shares of the Issuer's Class A common stock issuable to CD&R Waterworks Holdings, LLC and Core & Main
Management Feeder, LLC, as set forth in the prior footnotes.

------

CUSIP No. 21874C 102

1. &nbsp;&nbsp;&nbsp;&nbsp; Names of Reporting Persons &nbsp;&nbsp;&nbsp;&nbsp; CD&R Associates X Waterworks, L.P.

2. &nbsp;&nbsp;&nbsp;&nbsp; Check the Appropriate Box
if a Member of a Group (See Instructions) &nbsp;&nbsp;&nbsp;&nbsp; (a) ☐ (b) ☒

3. &nbsp;&nbsp;&nbsp;&nbsp; SEC Use Only

4. &nbsp;&nbsp;&nbsp;&nbsp; Citizenship or Place of
Organization &nbsp;&nbsp;&nbsp;&nbsp; Cayman
Islands

---

| | | |
|:---|:---|:---|
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned by<br> Each<br> Reporting<br> Person<br> With | 5. | &nbsp;&nbsp;&nbsp;&nbsp;Sole Voting Power<br>&nbsp;&nbsp;&nbsp;&nbsp;0 |
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned by<br> Each<br> Reporting<br> Person<br> With | 6. | &nbsp;&nbsp;&nbsp;&nbsp;Shared Voting Power<br>&nbsp;&nbsp;&nbsp;&nbsp;174,025,483 <sup>(1)(2)</sup>  |
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned by<br> Each<br> Reporting<br> Person<br> With | 7. | &nbsp;&nbsp;&nbsp;&nbsp;Sole Dispositive Power<br>&nbsp;&nbsp;&nbsp;&nbsp;0 |
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned by<br> Each<br> Reporting<br> Person<br> With | 8. | &nbsp;&nbsp;&nbsp;&nbsp;Shared Dispositive Power<br>&nbsp;&nbsp;&nbsp;&nbsp;160,796,744 <sup>(2)</sup> |

---

9. &nbsp;&nbsp;&nbsp;&nbsp; Aggregate Amount Beneficially Owned by Each Reporting Person &nbsp;&nbsp;&nbsp;&nbsp; 174,025,483 <sup>(1)(2)</sup>

10. &nbsp;&nbsp;&nbsp;&nbsp; Check if the Aggregate
Amount in Row (9) Excludes Certain Shares (See Instructions) &nbsp;&nbsp;&nbsp;&nbsp; ☐

11. &nbsp;&nbsp;&nbsp;&nbsp; Percent of
Class Represented by Amount in Row (9) &nbsp;&nbsp;&nbsp;&nbsp; 70.8% <sup>(3)</sup>

12. &nbsp;&nbsp;&nbsp;&nbsp; Type of Reporting Person
(See Instructions) &nbsp;&nbsp;&nbsp;&nbsp; PN

------

(1) Includes 13,223,551 shares of the Issuer's Class A common stock issuable upon exchange of Partnership
Interests of Holdings, together with the retirement of an equal number of shares of Class B common stock of the Issuer, held directly by Core & Main Management Feeder, LLC, on a one-for-one basis or, at the election of a majority of the disinterested members of the Issuer's board of directors, for cash from a substantially concurrent public offering or private sale (based on the
Class A common stock sold in such public offering or private sale), net of any underwriting discounts and commissions, for each Partnership Interest exchanged, subject to customary conversion rate adjustments for stock splits, stock dividends,
reclassifications and other similar transactions, as well as any adjustment on account of any discrepancy in distributions made to such holder not made on a pro rata basis.

(2) Includes 60,275,374 shares of the Issuer's Class A common stock issuable upon exchange of Partnership
Interests of Holdings, together with the retirement of an equal number of shares of Class B common stock of the Issuer, held directly by CD&R Waterworks Holdings, LLC, on a one-for-one basis or, at the election of a majority of the disinterested members of the Issuer's board of directors, for cash from a substantially concurrent public
offering or private sale (based on the Class A common stock sold in such public offering or private sale), net of any underwriting discounts and commissions, for each Partnership Interest exchanged, subject to customary conversion rate
adjustments for stock splits, stock dividends, reclassifications and other similar transactions, as well as any adjustment on account of any discrepancy in distributions made to such holder not made on a pro rata basis.

(3) Based on an aggregate of 172,399,331 shares of the Issuer's Class A common stock outstanding as of
December 9, 2022, as reported in the Form 10-Q, as well as 73,498,925 shares of the Issuer's Class A common stock issuable to CD&R Waterworks Holdings, LLC and Core & Main
Management Feeder, LLC, as set forth in the prior footnotes.

------

CUSIP No. 21874C 102

1. &nbsp;&nbsp;&nbsp;&nbsp; Names of Reporting Persons &nbsp;&nbsp;&nbsp;&nbsp; CD&R Investment Associates X, Ltd.

2. &nbsp;&nbsp;&nbsp;&nbsp; Check the Appropriate Box
if a Member of a Group (See Instructions) &nbsp;&nbsp;&nbsp;&nbsp; (a) ☐ (b) ☒

3. &nbsp;&nbsp;&nbsp;&nbsp; SEC Use Only

4. &nbsp;&nbsp;&nbsp;&nbsp; Citizenship or Place of
Organization &nbsp;&nbsp;&nbsp;&nbsp; Cayman
Islands

---

| | | |
|:---|:---|:---|
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned by<br> Each<br> Reporting<br> Person<br> With | 5. | &nbsp;&nbsp;&nbsp;&nbsp;Sole Voting Power<br>&nbsp;&nbsp;&nbsp;&nbsp;0 |
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned by<br> Each<br> Reporting<br> Person<br> With | 6. | &nbsp;&nbsp;&nbsp;&nbsp;Shared Voting Power<br>&nbsp;&nbsp;&nbsp;&nbsp;174,025,483 <sup>(1)(2)</sup> |
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned by<br> Each<br> Reporting<br> Person<br> With | 7. | &nbsp;&nbsp;&nbsp;&nbsp;Sole Dispositive Power<br>&nbsp;&nbsp;&nbsp;&nbsp;0 |
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned by<br> Each<br> Reporting<br> Person<br> With | 8. | &nbsp;&nbsp;&nbsp;&nbsp;Shared Dispositive Power<br>&nbsp;&nbsp;&nbsp;&nbsp;160,796,744 <sup>(2)</sup> |

---

9. &nbsp;&nbsp;&nbsp;&nbsp; Aggregate Amount Beneficially Owned by Each Reporting Person &nbsp;&nbsp;&nbsp;&nbsp; 174,025,483 <sup>(1)(2)</sup>

10. &nbsp;&nbsp;&nbsp;&nbsp; Check if the Aggregate
Amount in Row (9) Excludes Certain Shares (See Instructions) &nbsp;&nbsp;&nbsp;&nbsp; ☐

11. &nbsp;&nbsp;&nbsp;&nbsp; Percent of
Class Represented by Amount in Row (9) &nbsp;&nbsp;&nbsp;&nbsp; 70.8% <sup>(3)</sup>

12. &nbsp;&nbsp;&nbsp;&nbsp; Type of Reporting Person
(See Instructions) &nbsp;&nbsp;&nbsp;&nbsp; OO

------

(1) Includes 13,223,551 shares of the Issuer's Class A common stock issuable upon exchange of Partnership
Interests of Holdings, together with the retirement of an equal number of shares of Class B common stock of the Issuer, held directly by Core & Main Management Feeder, LLC, on a one-for-one basis or, at the election of a majority of the disinterested members of the Issuer's board of directors, for cash from a substantially concurrent public offering or private sale (based on the
Class A common stock sold in such public offering or private sale), net of any underwriting discounts and commissions, for each Partnership Interest exchanged, subject to customary conversion rate adjustments for stock splits, stock dividends,
reclassifications and other similar transactions, as well as any adjustment on account of any discrepancy in distributions made to such holder not made on a pro rata basis.

(2) Includes 60,275,374 shares of the Issuer's Class A common stock issuable upon exchange of Partnership
Interests of Holdings, together with the retirement of an equal number of shares of Class B common stock of the Issuer, held directly by CD&R Waterworks Holdings, LLC, on a one-for-one basis or, at the election of a majority of the disinterested members of the Issuer's board of directors, for cash from a substantially concurrent public
offering or private sale (based on the Class A common stock sold in such public offering or private sale), net of any underwriting discounts and commissions, for each Partnership Interest exchanged, subject to customary conversion rate
adjustments for stock splits, stock dividends, reclassifications and other similar transactions, as well as any adjustment on account of any discrepancy in distributions made to such holder not made on a pro rata basis.

(3) Based on an aggregate of 172,399,331 shares of the Issuer's Class A common stock outstanding as of
December 9, 2022, as reported in the Form 10-Q, as well as 73,498,925 shares of the Issuer's Class A common stock issuable to CD&R Waterworks Holdings, LLC and Core & Main
Management Feeder, LLC, as set forth in the prior footnotes.

------

**Item 1.**

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**(a)** **Name of Issuer** 

Core & Main, Inc.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**(b)** **Address of Issuer's Principal Executive Offices** 

1830 Craig Park Court

St. Louis, Missouri 63146

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(314) 432-4700

**Item 2.**

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**(a)** **Name of Person Filing** 

---

| | | |
|:---|:---|:---|
| **Name of Person Filing** | **Address** | **Citizenship** |
| CD&R Fund X Advisor Waterworks B, L.P | c/o Clayton, Dubilier & Rice, LLC, 375 Park Avenue, New York, New York, 10152 | Cayman Islands |
| CD&R Fund X Waterworks B1, L.P. | c/o Clayton, Dubilier & Rice, LLC, 375 Park Avenue, New York, New York, 10152 | Cayman Islands |
| CD&R Fund X-A Waterworks B, L.P. | c/o Clayton, Dubilier & Rice, LLC, 375 Park Avenue, New York, New York, 10152 | Cayman Islands |
| CD&R Waterworks Holdings, LLC | c/o Clayton, Dubilier & Rice, LLC, 375 Park Avenue, New York, New York, 10152 | Delaware |
| Core & Main Management Feeder, LLC | 1830 Craig Park Court<br> St. Louis, Missouri 63146 | Delaware |
| CD&R Waterworks Holdings, L.P. | c/o Clayton, Dubilier & Rice, LLC, 375 Park Avenue, New York, New York, 10152 | Delaware |
| CD&R Waterworks Holdings G.P., Ltd. | c/o Clayton, Dubilier & Rice, LLC, 375 Park Avenue, New York, New York, 10152 | Cayman Islands |
| CD&R Associates X Waterworks, L.P. | c/o Clayton, Dubilier & Rice, LLC, 375 Park Avenue, New York, New York, 10152 | Cayman Islands |
| CD&R Investment Associates X, Ltd. | c/o Clayton, Dubilier & Rice, LLC, 375 Park Avenue, New York, New York, 10152 | Cayman Islands |

---

CD&R Fund X Advisor Waterworks B, L.P., CD&R Fund X Waterworks B1, L.P., CD&R Fund X-A Waterworks B, L.P., CD&R Waterworks Holdings, LLC, Core & Main Management Feeder, LLC, CD&R Waterworks Holdings, L.P., CD&R Waterworks Holdings G.P., Ltd., CD&R Associates X Waterworks, L.P. and CD&R Investment Associates X, Ltd. (collectively, the "Reporting Persons") have entered into a Joint Filing Agreement, dated February 10, 2023, a copy of which is filed with this Schedule 13G as Exhibit 99.1, pursuant to which such Reporting Persons have agreed to file this Schedule 13G jointly in accordance with the provisions of Rule 13d-1(k)(1) under the Act.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**(b)** **Address of Principal Business Office or, if none, Residence** 

See Item 2(a) above.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**(c)** **Citizenship** 

See Item 2(a) above.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**(d)** **Title of Class of Securities** 

Class A Common Stock, par value $0.01 per share

------

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**(e)** **CUSIP Number** 

21874C 102

**Item 3.** **If this statement is filed pursuant to §§240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:** <br>

---

| | | |
|:---|:---|:---|
| (a) | ☐ | Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o); |
| (b) | ☐ | Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c); |
| (c) | ☐ | Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c); |
| (d) | ☐ | Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8); |
| (e) | ☐ | An investment adviser in accordance with §240.13d-1(b)(1)(ii)(E); |
| (f) | ☐ | An employee benefit plan or endowment fund in accordance with §240.13d-1(b)(1)(ii)(F); |
| (g) | ☐ | A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G); |
| (h) | ☐ | A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813); |
| (i) | ☐ | A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3); |
| (j) | ☐ | Group, in accordance with §240.13d-1(b)(1)(ii)(J). |
|  |  | N/A |

---

**Item 4.** **Ownership** <br>

Provide the following information regarding the aggregate number and percentage of the class of securities of the issuer identified in Item 1.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**(a)** **Amount beneficially owned:** 

See below.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**(b)** **Percent of class:** 

See below.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**(c)** **Number of shares as to which the person has:** 

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(i) Sole power to vote or to direct the vote

See below.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(ii) Shared power to vote or to direct the vote

See below.

------

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(iii) Sole power to dispose or to direct the disposition of

See below.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(iv) Shared power to dispose or to direct the disposition of

See below.

As of the date of this Schedule 13G, each of the Reporting Persons beneficially owned the number and percentage of shares of Class A common stock of Core & Main, Inc. listed opposite its name:

---

| | | | | | | |
|:---|:---|:---|:---|:---|:---|:---|
| **Reporting Person** | **Amount<br>Beneficially<br>Owned** | <br> **Percent of<br>Class(a)** | <br> **Voting Power** | <br> **Voting Power** | <br> **Dispositive Power** | <br> **Dispositive Power** |
| **Reporting Person** | **Amount<br>Beneficially<br>Owned** | <br> **Percent of<br>Class(a)** | **Sole** | **Shared** | **Sole** | **Shared** |
|  CD&R Fund X Advisor Waterworks B, L.P.(b) | 612411 | 0.4% | 0 | 612411 | 0 | 612411 |
|  CD&R Fund X Waterworks B1, L.P.(c) | 91661962 | 53.2% | 0 | 91661962 | 0 | 91661962 |
|  CD&R Fund X-A Waterworks B, L.P.(d) | 8246997 | 4.8% | 0 | 8246997 | 0 | 8246997 |
|  CD&R Waterworks Holdings LLC(e) | 60275374 | 25.9% | 0 | 60275374 | 0 | 60275374 |
|  CD&R Waterworks Holdings, L.P.(e) | 60275374 | 25.9% | 0 | 60275374 | 0 | 60275374 |
|  Core & Main Management Feeder, LLC(f) | 13228739 | 7.1% | 0 | 13228739 | 0 | 13228739 |
|  CD&R Waterworks Holdings G.P., Ltd.(b)(c)(d)(e)(f) | 174025483 | 70.8% | 0 | 174025483 | 0 | 160796744 |
|  CD&R Associates X Waterworks, L.P.(b)(c)(d)(e)(f) | 174025483 | 70.8% | 0 | 174025483 | 0 | 160796744 |
|  CD&R Investment Associates X, Ltd.(b)(c)(d)(e)(f) | 174025483 | 70.8% | 0 | 174025483 | 0 | 160796744 |

---

------

(a) Based on 172,399,331 shares of Class A common stock outstanding as of December 9, 2022, as reported
in the Form 10-Q, as well as shares of the Issuer's Class A common stock issuable upon exchange of Partnership Interests of Holdings, together with the retirement of an equal number of shares of
Class B common stock of the Issuer, beneficially owned by such Reporting Person, on a one-for-one basis or, at the election of a majority of the disinterested
members of the Issuer's board of directors, for cash from a substantially concurrent public offering or private sale (based on the Class A common stock sold in such public offering or private sale), net of any underwriting discounts and
commissions, for each Partnership Interest exchanged, subject to customary conversion rate adjustments for stock splits, stock dividends, reclassifications and other similar transactions, as well as any adjustment on account of any discrepancy in
distributions made to such holder not made on a pro rata basis.

(b) 612,411 shares of the Issuer's Class A common stock are held directly by CD&R Fund X Advisor
Waterworks B, L.P. ("Fund X Advisor") and may be deemed to be beneficially owned by CD&R Waterworks Holdings GP, Ltd. ("CD&R Waterworks Holdings GP"), as the general partner of Fund X Advisor, CD&R Associates X
Waterworks, L.P. ("CD&R Associates X Waterworks"), as the sole shareholder of CD&R Waterworks Holdings GP, and CD&R Investment Associates X, Ltd. ("CD&R Investment Associates"), as the general partner of CD&R
Associates X Waterworks. Each of CD&R Waterworks Holdings GP, CD&R Associates X Waterworks and CD&R Investment Associates expressly disclaims beneficial ownership of the securities held by Fund X Advisor.

(c) 91,661,962 shares of the Issuer's Class A common stock are held directly by CD&R Fund X
Waterworks B1, L.P. ("Fund X Waterworks B1") and may be deemed to be beneficially owned by CD&R Waterworks Holdings GP, as the general partner of Fund X Waterworks B1, CD&R Associates X Waterworks, as the sole shareholder of
CD&R Waterworks Holdings GP, and CD&R Investment Associates, as the general partner of CD&R Associates X Waterworks. Each of CD&R Waterworks Holdings GP, CD&R Associates X Waterworks and CD&R Investment Associates expressly
disclaims beneficial ownership of the securities held by Fund X Waterworks B1.

(d) 8,246,997 shares of the Issuer's Class A common stock are held directly by CD&R Fund X-A Waterworks B, L.P. ("Fund X-A") and may be deemed to be beneficially owned by CD&R Waterworks Holdings GP, as the general partner of Fund X-A, CD&R Associates X Waterworks, as the sole shareholder of CD&R Waterworks Holdings GP, and CD&R Investment Associates, as the general partner of CD&R Associates X Waterworks. Each of CD&R
Waterworks Holdings GP, CD&R Associates X Waterworks and CD&R Investment Associates expressly disclaims beneficial ownership of the securities held by Fund X-A.

------

(e) 60,275,374 shares of the Issuer's Class A common stock are issuable upon exchange of Partnership
Interests of Holdings, together with the retirement of an equal number of shares of Class B common stock of the Issuer, held directly by CD&R Waterworks Holdings LLC ("Waterworks Holdings LLC"), on a one-for-one basis or, at the election of a majority of the disinterested members of the Issuer's board of directors, for cash from a substantially concurrent public
offering or private sale (based on the Class A common stock sold in such public offering or private sale), net of any underwriting discounts and commissions, for each Partnership Interest exchanged, subject to customary conversion rate
adjustments for stock splits, stock dividends, reclassifications and other similar transactions, as well as any adjustment on account of any discrepancy in distributions made to such holder not made on a pro rata basis. These securities may be
deemed to be beneficially owned by CD&R Waterworks Holdings, L.P. ("Waterworks Holdings LP"), as the sole member and manager of Waterworks Holdings LLC, CD&R Waterworks Holdings GP, as the general partner of Waterworks Holdings LP,
CD&R Associates X Waterworks, as the sole shareholder of CD&R Waterworks Holdings GP, and CD&R Investment Associates, as the general partner of CD&R Associates X Waterworks. Each of Waterworks Holdings LP, CD&R Waterworks
Holdings GP, CD&R Associates X Waterworks and CD&R Investment Associates expressly disclaims beneficial ownership of the securities held by Waterworks Holdings LLC.

(f) 5,188 shares of the Issuer's Class A common stock are directly held by Core & Main
Management Feeder LLC ("Management Feeder") and 13,223,551 shares of the Issuer's Class A common stock are issuable upon exchange of Partnership Interests of Holdings, together with the retirement of an equal number of shares of
Class B common stock of the Issuer, held directly by Management Feeder, on a one-for-one basis or, at the election of a majority of the disinterested members of the
Issuer's board of directors, for cash from a substantially concurrent public offering or private sale (based on the Class A common stock sold in such public offering or private sale), net of any underwriting discounts and commissions, for
each Partnership Interest exchanged, subject to customary conversion rate adjustments for stock splits, stock dividends, reclassifications and other similar transactions, as well as any adjustment on account of any discrepancy in distributions made
to such holder not made on a pro rata basis. These securities may be deemed to be beneficially owned by CD&R Waterworks Holdings GP, as the manager of Management Feeder, CD&R Associates X Waterworks, as the sole shareholder of CD&R
Waterworks Holdings GP, and CD&R Investment Associates, as the general partner of CD&R Associates X Waterworks. Each of CD&R Waterworks Holdings GP, CD&R Associates X Waterworks and CD&R Investment Associates expressly disclaims
beneficial ownership of the securities held by Management Feeder. Investment decisions with respect to the securities held by Management Feeder are made by the holders of Management Feeder common units in respect of the corresponding number of
shares into which its common units are exchangeable.

Investment and voting decisions with respect to the securities held by Fund X Advisor, Fund X Waterworks B1, Fund X-A and Waterworks Holdings LLC, and voting decisions with respect to the securities held by Management Feeder, are made by an investment committee of limited partners of CD&R Associates X Waterworks (the "Investment Committee"), currently consisting of more than ten individuals, each of whom is also an investment professional of Clayton, Dubilier & Rice, LLC ("CD&R"). All members of the Investment Committee disclaim beneficial ownership of the securities held by Fund X Advisor, Fund X Waterworks B1, Fund X-A, Waterworks Holdings LLC and Management Feeder. Each of CD&R Investment Associates and CD&R Waterworks Holdings GP is managed by two directors. Donald J. Gogel and Nathan K. Sleeper, as the directors of each of CD&R Investment Associates and CD&R Waterworks Holdings GP, may be deemed to share beneficial ownership of the securities held by Fund X Advisor, Fund X Waterworks B1, Fund X-A, Waterworks Holdings LLC and Management Feeder. Such persons expressly disclaim any beneficial ownership.

**Item 5.** **Ownership of Five Percent or Less of a Class** <br>

If this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more than five percent of the class of securities, check the following ☒.

As of the date of this Schedule 13G, Fund X-A Waterworks B, L.P. has ceased to be the beneficial owner of more than five percent of Class A Common Stock of the Issuer.

**Item 6.** **Ownership of More than Five Percent on Behalf of Another Person** <br>

See Item 4 above.

**Item 7.** **Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on By the Parent Holding Company or Control Person** <br>

N/A

------

**Item 8.** **Identification and Classification of Members of the Group** <br>

N/A

**Item 9.** **Notice of Dissolution of Group** <br>

N/A

**Item 10.** **Certification** <br>

N/A

------

**SIGNATURES** 

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

Date: February 10, 2023

---

| | | |
|:---|:---|:---|
| CD&R FUND X ADVISOR WATERWORKS B, L.P. | By: CD&R Waterworks Holdings G.P., Ltd., its general partner | By: CD&R Waterworks Holdings G.P., Ltd., its general partner |
|  | By: | /s/ Rima Simson |
|  | Name: | Rima Simson |
|  | Title: | Vice President, Treasurer and Secretary |
| CD&R FUND X WATERWORKS B1, L.P. | By: CD&R Waterworks Holdings G.P., Ltd., its general partner | By: CD&R Waterworks Holdings G.P., Ltd., its general partner |
|  | By: | /s/ Rima Simson |
|  | Name: | Rima Simson |
|  | Title: | Vice President, Treasurer and Secretary |
| CD&R FUND X-A WATERWORKS B, L.P. | By: CD&R Waterworks Holdings G.P., Ltd., its general partner | By: CD&R Waterworks Holdings G.P., Ltd., its general partner |
|  | By: | /s/ Rima Simson |
|  | Name: | Rima Simson |
|  | Title: | Vice President, Treasurer and Secretary |
| CD&R WATERWORKS HOLDINGS, LLC | By: CD&R Waterworks Holdings, L.P., its sole member and manager | By: CD&R Waterworks Holdings, L.P., its sole member and manager |
|  | By: CD&R Waterworks Holdings G.P., Ltd., its general partner | By: CD&R Waterworks Holdings G.P., Ltd., its general partner |
|  | By: | /s/ Rima Simson |
|  | Name: | Rima Simson |
|  | Title: | Vice President, Treasurer and Secretary |

---

------

---

| | | |
|:---|:---|:---|
| CD&R WATERWORKS HOLDINGS, L.P. | By: CD&R Waterworks Holdings G.P., Ltd., its general partner | By: CD&R Waterworks Holdings G.P., Ltd., its general partner |
|  | By: | /s/ Rima Simson |
|  | Name: | Rima Simson |
|  | Title: | Vice President, Treasurer and Secretary |
| CD&R WATERWORKS HOLDINGS, G.P., LTD. | By: | /s/ Rima Simson |
|  | Name: | Rima Simson |
|  | Title: | Vice President, Treasurer and Secretary |
| CD&R ASSOCIATES X WATERWORKS, L.P. | By: CD&R Investment Associates X, Ltd., its general partner | By: CD&R Investment Associates X, Ltd., its general partner |
|  | By: | /s/ Rima Simson |
|  | Name: | Rima Simson |
|  | Title: | Vice President, Treasurer and Secretary |
| CD&R INVESTMENT ASSOCIATES X, LTD. | By: | /s/ Rima Simson |
|  | Name: | Rima Simson |
|  | Title: | Vice President, Treasurer and Secretary |
| CORE & MAIN MANAGEMENT FEEDER, LLC | By: | /s/ Mark Witkowski |
|  | Name: | Mark Witkowski |
|  | Title: | Vice President |

---

## Exhibit 99.1

**Exhibit 99.1** 

AGREEMENT REGARDING THE JOINT FILING OF SCHEDULE 13G

Pursuant to Rule 13d-1(k)(1) promulgated under the Securities Exchange Act of 1934, as amended, the undersigned agree that the Statement on Schedule 13G to which this Exhibit is attached is filed on behalf of each of them. Each of them is individually eligible to use the Schedule 13G to which this Exhibit is attached. Each of them is responsible for the timely filing of such Schedule 13G and any amendments thereto, and for the completeness and accuracy of the information concerning such person contained therein; but none of them is responsible for the completeness or accuracy of the information concerning the other persons making the filing, unless such person knows or has reason to believe that such information is inaccurate.

IN WITNESS WHEROF, the undersigned hereby execute this Joint Filing Agreement as of February 10, 2023.

---

| | | |
|:---|:---|:---|
| CD&R FUND X ADVISOR WATERWORKS B, L.P. | By: CD&R Waterworks Holdings G.P., Ltd., its general partner | By: CD&R Waterworks Holdings G.P., Ltd., its general partner |
|  | By: | /s/ Rima Simson |
|  | Name: | Rima Simson |
|  | Title: | Vice President, Treasurer and Secretary |
| CD&R FUND X WATERWORKS B1, L.P. | By: CD&R Waterworks Holdings G.P., Ltd., its general partner | By: CD&R Waterworks Holdings G.P., Ltd., its general partner |
|  | By: | /s/ Rima Simson |
|  | Name: | Rima Simson |
|  | Title: | Vice President, Treasurer and Secretary |
| CD&R FUND X-A WATERWORKS B, L.P. | By: CD&R Waterworks Holdings G.P., Ltd., its general partner | By: CD&R Waterworks Holdings G.P., Ltd., its general partner |
|  | By: | /s/ Rima Simson |
|  | Name: | Rima Simson |
|  | Title: | Vice President, Treasurer and Secretary |

---

------

---

| | | |
|:---|:---|:---|
| CD&R WATERWORKS HOLDINGS, LLC | By: CD&R Waterworks Holdings, L.P., its sole member and manager | By: CD&R Waterworks Holdings, L.P., its sole member and manager |
|  | By: CD&R Waterworks Holdings G.P., Ltd., its general partner | By: CD&R Waterworks Holdings G.P., Ltd., its general partner |
|  | By: | /s/ Rima Simson |
|  | Name: | Rima Simson |
|  | Title: | Vice President, Treasurer and Secretary |
| CD&R WATERWORKS HOLDINGS, L.P. | By: CD&R Waterworks Holdings G.P., Ltd., its general partner | By: CD&R Waterworks Holdings G.P., Ltd., its general partner |
|  | By: | /s/ Rima Simson |
|  | Name: | Rima Simson |
|  | Title: | Vice President, Treasurer and Secretary |
| CD&R WATERWORKS HOLDINGS, G.P., LTD. | By: | /s/ Rima Simson |
|  | Name: | Rima Simson |
|  | Title: | Vice President, Treasurer and Secretary |
| CD&R ASSOCIATES X WATERWORKS, L.P. | By: CD&R Investment Associates X, Ltd., its general partner | By: CD&R Investment Associates X, Ltd., its general partner |
|  | By: | /s/ Rima Simson |
|  | Name: | Rima Simson |
|  | Title: | Vice President, Treasurer and Secretary |
| CD&R INVESTMENT ASSOCIATES X, LTD. | By: | /s/ Rima Simson |
|  | Name: | Rima Simson |
|  | Title: | Vice President, Treasurer and Secretary |
| CORE & MAIN MANAGEMENT FEEDER, LLC | By: | /s/ Mark Witkowski |
|  | Name: | Mark Witkowski |
|  | Title: | Vice President |

---