Manila Water : PUBLIC OWNERSHIP REPORT AS OF DECEMBER 31, 2016

MANILA WATER

January 13,2017 CARE IN EVERY DROP

PHILIPPINE STOCK EXCHANGE, INC.

Tower OneandExchangePlaza,AyalaTriangle, Ayala Avenue,Makati City,Philippines

Attention MR. JOSE VALERIANO B.ZUNO Ill

OIC -Head,DisclosureDepartment

Subject Public Ownership Report as of December 31,2016 Gentlemen

In compliance with the requirementof the Philippine Stock Exchange, Inc.,we enclose herewiththe computationof the Public Ownershipof Manila Wate rCompany, Inc. as of December 31,2016.

JHOEL P. RAQUEDAN

Chief LegalCounsel

Assistant Corporate Secretary

MANILA WATER COMPANY, INC.

MWSS Administration Building, 489 KatipunanRoad. 1105 Balara. Quezon City, Philippines

T:(632) 9175900

W:www .manilawater.comCustomer ServiceHotline 1627

Notes:

1. The Publlc Ownership Report should follow theformat below.

2.Please Include direct and Indirect ownership of directors, officers, principal stockholders, and affiliates, If any, for record purposes. "In case, asIn the example below, Stockholder 1 hasIndirect ownership thru Stockholder 2,said Indirect shareholdings should ba deducted under Stockholder 1,asthe sameshould be appropriately recorded undar Stockholder 2.

3. For companies with class/fled shares,please make adistinction betweenA & B shares, and Indicate the same

under the columns provided below. Otherwise,Just Indicate the no.of shares under the •rota1• column.

MANILA WATER CO.,INC.

Computation of Public Ownership as of December 31,2016

Number of Shares

Number of Issued Shares

Less: Number of Treasury Shares (if any)

A B

Total

Total

2,053,945,884

Number of Issued and Outstanding Shares Less:

Directors

Fernando Zobel de Ayala Direct

Indirect (thru _) Antonino T. Aquino

Direct

Indirect (thru ESOWN) Jaime Augusto Zobel de Ayala

Direct

Indirect (thru ) Delfin L.Lazaro

Direct

Indirect (thru _) Gerardo C. Ablaza Jr.

Direct

Indirect (thru ESOWN) Jaime C. Laya

Direct

Indirect (thru PCD/Family) Sherisa P. Nuesa

Direct

Indirect (thru ESOWN/PCD) Jose L.Culsia Jr.

Direct

Indirect (thru ) Oscar S. Reyes

Direct

Indirect (thru _) John Eric T. Francia•

Direct

Indirect (thru _) Victoria P. Garchitorena•

Direct

Indirect (thru _)

Sub-tota,-

Officers

Solomon M. Hermosura Direct

Indirect (thru _) Luis Juan B. Oreta

Direct

Indirect (thru ESOWN/PCD) Virgilio C. Rivera, Jr.

Direct

Indirect (thru ESOWN) Ferdinand M. dela Cruz

Direct

Indirect (thru ESOWN) Thomas T. Mattison

Direct

Indirect (thru ESOWN) Geodino V.Carpio

Direct

Indirect (thru ESOWN/PCD) Abelardo P. Basilio

Direct

Indirect (thru ESOWN/PCD) Rodell A.Garcia

Direct

Indirect (thru ESOWN/PCD) Janine T. Carreon

Direct

Indirect (lhru ESOWN) Esmeralda R.Quines

Direct

Indirect (thru ESOWN/PCD)

Sub-total

• Shares are part of the participating preferred shares

% to total

UO SharesA

0.00000005 %

0.52581721 %

0.09491691 %

0.00000005 %

0.00000005 %

0.00000005 %

0.20088538 %

0.00000487 %

0.00023857 %

0.09250487 %

0.15548642 %

0.00000005 %

0.01606668 %

1.08592116 %

0.00243921 %

0.07657100 %

0.10919445 %

0.06077395 %

0.01334504 %

0.07934971 %

0.03774199 %

0.02500553 %

0.00136323 %

0.00975196 %

0.03629063 %

0.45182670 %

Number of Shares

B Total

10,800,001

1,949,542

1

4,126,077

100

4,900

1,900,000

3,193,607

330,001

22,304,233

50,100

1,572,727

2.242.795

1,248,264

274,100

1,629,800

775,200

513,600

28,000

200,300

745,390

9,280,276

2,053,945,884

•• Net of the participating preferred shares of John Eric T. Francia and Victoria P. Garchitorena

Principal Stockholders Ayala Corporation

Direct	41.1177920 %	844,537,196
Indirect....	1.0910219 %	22,409,000
Sub-total	42.2088139 %	866,946, 196

·- Shares are held through PCD (21,409,000) and Michigan Holdings, Inc. (1,000,000), a wholly owned subsidiary of Ayala Corporation

Affiliate

Sub-total

Others

Government

Banks

Employees

Lock·Up Shares

%

%

%

-----%

0.7137602 %14,660,249

913,190,954

Total Number of Shares Owned by the Public

1,140,754,930

PUBLIC OWNERSHIP PERCENTAGE

Total Number of Shares Owned by the Public

1 140 754 930 shares

2,053,945,884 shares

55.54%

Number of Issued and Outstanding Shares 2,053,945,884j

2,053,945.884

0

2,023,659.160 782.262,514

12.92%

40.00%

Number of Outstanding Shares Number of Treasury Shares Number of Listed Shares

Number of Foreign-Owned Shares-· Foreign Ownership Level (%)-* Foreign Ownership Limit (%)

**** Includes unlisted 4,000,000,000 Participating Preferred Shares (PPS)

Note: Please observe the same cut-off date.