The Bariadi Water Supply and Sanitation Authority (“Bariadi WSSA”) (Tariff Adjustment for Water Supply Services) Order, 2023

1. This Order shall be cited as the Bariadi Water Supply and Sanitation Authority (“Bariadi WSSA”) (Tariff Adjustment for Water Supply Services) Order, 2023.

2. Bariadi WSSA tariffs and fees are hereby adjusted as specified in the first schedule to this Order.

3. The approved tariff shall be subject to the following conditions: (a) prior to issuance of the first bill based on approved tariffs and fees, Bariadi WSSA shall provide evidence to the Energy and Water Utilities Regulatory Authority that it has notified tariff order and has its customers of conducted an its key stakeholders government and political leaders and religious representatives, among others; intensive awareness including customers, the to (b) on or before 30th September 2023, Bariadi WSSA shall submit to the Energy and Water Utilities Regulatory Authority a revised Business Plan that incorporates the approved tariffs and action plan for implementation of conditions of the tariff order; (c) Bariadi WSSA shall implement projects as detailed in Second Schedule by using funds 1 Bariadi Water Supply and Sanitation Authority (“Bariadi Wssa”) Tariff Adjustment GN. NO. 634 (Contd.) generated from the approved tariffs and fees; schools (d) Bariadi WSSA shall ensure that all public institutions including health centres (Sanungu and Nyangaka), primary (Yoma, Sanungu, Izunga, Ngashanda, Nyangaka and Sima A) and Chenge Secondary School are connected with tap water by 30th June 2024; supply water shall to communities around its borehole water sources (Isanzu, Izunya, Mahaha No.1, Mahaha No. 2, Mahaha No.3, Mahaha No.4, , Mahina, Malinoni, Malinoni No.2 na Malinoni No. 3) by 30th June 2025; (e) Bariadi WSSA (f) Bariadi WSSA shall prepare and implement a customer outreach program and submit to the Energy and Water Utilities Regulatory Authority evidence of its implementation annually; (g) Bariadi WSSA shall attain key performance indicators as shown in the Third Schedule; (h) Bariadi WSSA shall, on annual basis as part of its annual performance report, submit to the Energy and Water Utilities Regulatory Authority reports on the implementation of each of the Tariff Order conditions and each cost item of the revenue requirement as presented in the Fourth Schedule; (i) Bariadi WSSA shall continue to provide the Energy and Water Utilities Regulatory Authority with information about its financial and operating conditions in accordance with the requirements of the Energy and Water Utilities Regulatory Authority. This information will be used by the Energy and Water Utilities Regulatory Authority to evaluate Bariadi WSSA's performance in comparison with other water supply and sanitation authorities and improvement of its performance over time; and (j) In ensuring a continuous supply of water the dry season, services, especially during 2 Bariadi Water Supply and Sanitation Authority (“Bariadi Wssa”) Tariff Adjustment GN. NO. 634 (Contd.) Bariadi shall prepare and implement plan to harvest rainwater. Revocation of Tariff Order No. 11-014 of 2011

4. [This Order revokes the Tariff Order No. 11 - 014 of 2011]. ________ SCHEDULES _______ 3 Bariadi Water Supply and Sanitation Authority (“Bariadi Wssa”) Tariff Adjustment GN. NO. 634 (Contd.) _______ FIRST SCHEDULE _______ (Made under paragraph 2) Table 1(a): Current and Approved Water Tariff (TZS/m3) Customer Category Domestic Institution Commercial Industrial Kiosk Current Tariff 2022/23 660 2023/24 1,118 Approved Tariff 2024/25 1,206 2025/26 1,229 780 900 1,100 1,000 1,322 1,525 1,864 1,500 1,281 1,426 1,645 2,011 1,500 1,392 1,452 1,676 2,048 1,500 1,417 Weighted Average Tariff

756.05 Table 1(b): Current and Approved New Water Connection Fee (TZS./Connection) Customer Category Current Fees Approved Fees 2022/23 2023/24 2024/25 2025/26 Domestic Institutional Commercial Industrial 33,000 33,000 33,000 - 26,000 Table 1(c): Current and Approved Water Reconnection Fee (TZS/Reconnection) Customer Category Current Fees Approved Fees Domestic Institutional Commercial Industrial 2022/23 10,000 16,000 21,000 2023/24 2024/25 2025/26 15,000 15,000 15,000 15,000 15,000 15,000 15,000 15,000 15,000 15,000 15,000 15,000 4 Bariadi Water Supply and Sanitation Authority (“Bariadi Wssa”) Tariff Adjustment GN. NO. 634 (Contd.) ___________ SECOND SCHEDULE ____________ (Made under paragraph 3(c)) PROJECTS TO BE IMPLEMENTED. Activities to be implemented Costs (TZS) 2023/24 2024/25 2025/26 NEW INVESTMENT Extension of 10 km of pipe network using polyethylene pipe Class C with a diameter ranging from 32 to 75mm to unserved areas (Sesele, Nyaumata, Nyangaka, Isanzu, and Majahida). 2 km in 2023/24, 3.2 km in 2024/25 and

4.8 km in 2025/26 Installation of control devices (sluice valve/gate valves) with diameters 32, 50, 75, 100, and 150 mm) for network expansion by June 2025 (10 valves in 2023/24, 50 valves in 2024/25 and 50 valves in 2025/26 Purchase of new water meters (Class C) for 1200 new customers in 2023/24, 1600 new customers in 2024/25 and 2000 customers in 2025/26 Extension of 40km of the polyethylene pipeline class C to unserved areas (Nyangaka, Nyakabindi, Bunamhala, Kisiwani, Isanga, Nyangokorwa, Mhango and Guduwi) including key public institutions with pipe diameters ranging from 32mm to 100mm; 6km (2023/24); 12km (2024/25); 16km (2025/26) Purchase and installation of 10 Bulk water meters Class D with diameters ranging from 50mm to 160mm and accessories for Water Use Management at water source points, storage tanks and all zones. Construction of 16 simple chlorination units at storage tanks (3 units in 2023/24, 5 units in 2024/25 and 8 units in 2025/26) Afforestation to the Water Sources (Water Conservation Trees) 12,000,000 3,000,000 149,760,000 35,680,726 - 1,000,000 1,800,000 5 20,000,000 30,000,000 18,000,000 20,000,000 207,667,200 269,967,360 215,725,379 337,090,886 5,000,000 5,000,000 5,000,000 8,000,000 6,500,000 5,000,000 Bariadi Water Supply and Sanitation Authority (“Bariadi Wssa”) Tariff Adjustment GN. NO. 634 (Contd.) Activities to be implemented Procurement of desktops (8) and laptops (7) computers (4 computers in 2024/25 and 4 computers in 2025/26) Procurement of Office furniture, chairs, tables, and cupboards. Purchase of 6 Motorcycles for meter readers (Commercial Assistants). One in 2023/24, two in 2024/25 and three in 2025/26 Total New Investment Costs Costs (TZS) 2023/24 2024/25 2025/26 - - 3,000,000 16,000,000 18,000,000 5,000,000 7,000,000 6,000,000 9,000,000 206,240,726 504,892,579 709,058,246 REHABILITATION Replacement of 1 submersible motor annually at Majahida 1 Borehole Replacement of 1 submersible motor annually at Majahida 2 Borehole Replacement of 1 submersible motor annually at Mahaha 3 Borehole Replacement of 1 submersible motor annually at Ndoba Borehole Replacement of 1 submersible motor annually at Kidinda 1 Borehole Replacement of 1 submersible motor annually at Kidinda 2 Borehole Replacement of 1 submersible motor annually at Isanzu 1 Borehole Replacement of 1 submersible motor annually at Isanzu 2 Borehole Replacement of 1 submersible motor annually at Isanzu 3 Borehole Replacement of 1 submersible motor annually at Sanungu 1 Borehole Replacement of 1 submersible motor annually at Sanungu 2 Borehole Replacement of 1 submersible motor annually at Somanda 1 Borehole Replacement of 1 submersible motor annually at Somanda 2 Borehole 2,869,760 2,869,760 3,864,684 2,869,760 2,869,760 2,869,760 7,000,000 8,500,000 3,386,317 2,869,760 3,386,317 3,386,317 2,869,760 6 2,984,550 3,103,932 2,984,550 3,103,932 4,019,271 4,180,042 2,869,760 2,869,760 2,869,760 2,869,760 2,984,550 3,103,932 7,280,000 7,571,200 8,840,000 9,193,600 3,521,769 3,662,640 2,984,550 3,103,932 3,521,769 3,662,640 3,521,769 3,662,640 2,984,550 3,103,932 Bariadi Water Supply and Sanitation Authority (“Bariadi Wssa”) Tariff Adjustment GN. NO. 634 (Contd.) Activities to be implemented Replacement of 1 submersible motor annually at Nyamhimbi Borehole Replacement of 1 submersible motor annually at Izunya Borehole Replacement of 1 submersible motor annually at Nyaumata Borehole Replacement of 1 submersible motor annually at Mahina Borehole Replacement of 1 submersible motor annually at Gitoya Borehole Replacement of 1 submersible motor annually at Kigangoni Borehole Replacement of 1 submersible motor annually at Nyangaka Borehole Replacement of 1 submersible motor annually at Malinoni 1 Borehole Replacement of 1 submersible motor annually at Malinoni 2 Borehole Replacement of 1 submersible motor annually at Malinoni 3 Borehole Replacement of 1 submersible motor annually at Nanenane Central Borehole Replacement of 1 submersible motor annually at Nanenane Gagabali Borehole Replacement of 1 submersible motor annually atNanenane JKT Borehole Replacement of 1 submersible motor annually at Nanenane Mwembeni Borehole Replacement of 6km pipe of 50mm with 63mm and replacement of 6km old pipes with 63mm including excavation and fittings. Replacement of 6km old pipe of diameter 32mm pipe with 50mm pipes and replacement of 6km pipes of 50mm including excavation and fittings. Replace 8km old pipes with a diameter of 32mm with new ones including 2023/24 3,386,317 Costs (TZS) 2024/25 2025/26 3,521,769 3,662,640 3,386,317 3,386,317 3,864,684 3,864,684 2,869,760 2,869,760 3,864,684 3,864,684 3,864,684 2,869,760 2,869,760 3,386,317 3,601,662 12,050,000 9,232,000 9,702,000 7 3,521,769 3,662,640 3,521,769 3,662,640 4,019,271 4,180,042 4,019,271 4,180,042 2,984,550 3,103,932 2,984,550 3,103,932 4,019,271 4,180,042 4,019,271 4,180,042 4,019,271 4,180,042 2,984,550 3,103,932 2,984,550 3,103,932 3,521,769 3,662,640 3,745,729 3,895,558 12,532,000 13,033,280 9,601,280 9,985,331 10,090,080 10,493,683 Bariadi Water Supply and Sanitation Authority (“Bariadi Wssa”) Tariff Adjustment GN. NO. 634 (Contd.) Activities to be implemented excavation and fittings. Replacement of 33 sluice valves ranging from 100mm to 200mmɸ, with 9 for FY 2023/24, 11 for FY 2024/25 and 13 for 2025/26 Replacement of 264 Gate valves ranging from 90mm to 32mmɸ, with 70 for FY1, 88 for FY2 and 106 for FY3 Replacement of 3 Air Valves annually Replacement of 600 water meters, 150 in FY 2023/24, 200 in FY 2024/25 and 250 in FY 2025/26 Replacement of 36 bulk water meters at water production Point, 10 in FY 2023/24, 12 in FY2024/25 and 14 in FY 2025/26 with diameters ranging from 75mm to 150mm Replacement of 30 bulk water meters at water production Point, 8 in FY 2023/24, 10 in FY2024/25 and 12 in FY 2025/26 with diameters ranging from 160mm to 100mm Total Rehabilitation Costs (TZS) 2023/24 2024/25 2025/26 7,488,000 5,896,800 600,000 20,220,000 2,700,000 4,656,000 9,301,760 11,248,640 8,068,736 10,404,992 624,000 648,960 27,958,400 36,245,920 3,364,800 4,077,024 6,048,800 7,544,102 170,106,145 188,824,064 208,735,930 TOTAL INVESTMENT PROJECTS 376,346,871 693,716,643 917,794,176 _______ THIRD SCHEDULE ________ (Made under paragraph 3(g)) KEY PERFORMANCE INDICATORS (2023/24-2025/26) Description Unit Performance Target Proportion of population living in area with water network Number of New Water Connections Non-Revenue Water Metering Ratio % No % % 8 2023/24 2024/25 2025/26 75 80 95 1,200 1,600 2,000 24 100 23 100 20 100 Bariadi Water Supply and Sanitation Authority (“Bariadi Wssa”) Tariff Adjustment GN. NO. 634 (Contd.) Revenue Collection efficiency (excluding arrears) % 92 95 97 _______ FOURTH SCHEDULE ________ (Made under paragraph 3(h)) REVENUE REQUIREMENTS Adjusted Revenue Requirements Description Forecast (TZS) Water Production 251,846,341 329,183,718 380,103,838 Maintenance and Repair 104,097,570 117,375,607 127,217,170 2023/24 2024/25 2025/26 Personnel Administration Business Promotion Events and Donation Board expenses Financial Expenses 230,652,420 267,801,210 287,541,390 116,573,742 133,022,476 139,734,345 11,100,000 16,200,000 19,200,000 3,400,000 3,400,000 3,400,000 63,362,300 65,143,700 66,925,100 1,200,000 1,200,000 1,200,000 Total Operational & Maintenance Expenses New Investment Costs 782,232,370 206,240,730 933,326,710 1,025,321,8 40 504,892,580 709,058,250 Rehabilitation and Replacement Cost 170,106,150 188,824,060 208,735,930 Total Revenue Requirement 1,158,579,240 1,627,043,350 1,943,116,0 20 Less: New connection fees Reconnection Fees 31,200,000 41,600,000 52,000,000 2,311,138 3,039,198 3,949,274 Revenue Requirement from water sale 1,125,068,100 1,582,404,150 1,887,166,7 50 Dodoma, JAMES A. MWAINYEKULE, Director General …………, 2023 9