Approval of Change Order #3 – Tricon Construction Group – Water Treatment Facility Upgrade — E-3

<table> <tr> <th colspan="2">CONTRACTOR CHANGE ORDER REQUEST SUMMARY</th> </tr> <tr> <td>Project Name:</td> <td>TIFFIN WWT</td> <td>Date:</td> <td>11/24/2025</td> </tr> <tr> <td>Project Number:</td> <td></td> <td></td> <td></td> </tr> <tr> <td>Prime Contractor Direct Costs TRICON</td> <td></td> <td></td> <td></td> </tr> <tr> <td>Description of Change:</td> <td>FIRESTOPPING THROUGH FIRE RATED WALLS & FIRE DAMPER.</td> <td></td> <td></td> </tr> <tr> <th colspan="4">Prime Contractor Direct Costs</th> </tr> <tr> <td>Additive Costs</td> <td></td> <td></td> <td></td> </tr> <tr> <td>HVAC Materials</td> <td></td> <td>$ 40.00</td> <td></td> </tr> <tr> <td>Plumbing Materials</td> <td></td> <td>$ 160.00</td> <td></td> </tr> <tr> <td>HVAC Labor<br>2.00 Hours @ Rate $ 120.00</td> <td></td> <td>$ 240.00</td> <td></td> </tr> <tr> <td>Plumbing Labor<br>3.00 Hours @ Rate $ 120.00</td> <td></td> <td>$ 360.00</td> <td></td> </tr> <tr> <td>Hydronic</td> <td></td> <td>$ -</td> <td></td> </tr> <tr> <td>Insulation</td> <td></td> <td>$ -</td> <td></td> </tr> <tr> <td>Core-Drilling</td> <td></td> <td>$ -</td> <td></td> </tr> <tr> <td>Test & Balance</td> <td></td> <td>$ -</td> <td></td> </tr> <tr> <td>Permits</td> <td></td> <td>$ -</td> <td></td> </tr> <tr> <td>Equipment Rental</td> <td></td> <td>$ -</td> <td></td> </tr> <tr> <td>Travel/Per Diems</td> <td></td> <td>$ -</td> <td></td> </tr> <tr> <td>Subtotal of Additive</td> <td></td> <td>$ 800.00</td> <td></td> </tr> <tr> <th colspan="4">Deductive Costs</th> </tr> <tr> <td>HVAC Materials</td> <td></td> <td>$ -</td> <td></td> </tr> <tr> <td>Plumbing Materials</td> <td></td> <td>$ -</td> <td></td> </tr> <tr> <td>HVAC Labor<br>0.00 Hours @ Rate $ 120.00</td> <td></td> <td>$ -</td> <td></td> </tr> <tr> <td>Plumbing Labor<br>0.00 Hours @ Rate $ 120.00</td> <td></td> <td>$ -</td> <td></td> </tr> <tr> <td>Hydronic</td> <td></td> <td>$ -</td> <td></td> </tr> <tr> <td>Insulation</td> <td></td> <td>$ -</td> <td></td> </tr> <tr> <td>Core-Drilling</td> <td></td> <td>$ -</td> <td></td> </tr> <tr> <td>Controls Contractor</td> <td></td> <td>$ -</td> <td></td> </tr> <tr> <td>Permits</td> <td></td> <td>$ -</td> <td></td> </tr> <tr> <td>Equipment Rental</td> <td></td> <td>$ -</td> <td></td> </tr> <tr> <td>Travel/Per Diems</td> <td></td> <td>$ -</td> <td></td> </tr> <tr> <td>Subtotal of Deductive Costs</td> <td></td> <td>$ -</td> <td></td> </tr> <tr> <td>Subtotal</td> <td></td> <td>$ 800.00</td> <td></td> </tr> <tr> <td>Total OH&P<br>Rate 10% $ 80.00</td> <td></td> <td>$ 80.00</td> <td></td> </tr> <tr> <td>Total Change Order Request</td> <td></td> <td>$ 880.00</td> <td></td> </tr> </table> Approvals <table> <tr> <th>Brian Kraus, Vice President</th> <th>Date</th> </tr> <tr> <td>Fosters Kraus Mechanical Group INC</td> <td></td> </tr> </table> <table> <tr> <th>Name:</th> <th>Date:</th> </tr> <tr> <td>General Contractor:</td> <td></td> </tr> </table>