| DR Set ID | Set Description | Issue Date | No. of DR Questions | Propounded Upon | View Questions in Set | View Cover Letter/Instructions | Print |
| EXM-001 | EXM-001: General (Hurstak) | 6/29/2026 | 11 | NORTHERN UTILITIES, INC. D/B/A UNITIL INC | View Questions | | |
| EXM-002 | EXM-002 Regarding Testimony of Francoeur Capital Structure | 6/29/2026 | 8 | NORTHERN UTILITIES, INC. D/B/A UNITIL INC | View Questions | | |
| EXM-003 | EXM-003 Regarding Testimony of D'Ascendis and Kucan (ROE) | 6/29/2026 | 4 | NORTHERN UTILITIES, INC. D/B/A UNITIL INC | View Questions | | |
| EXM-004 | EXM-004 Sales Forecast (DeMarchi) | 7/8/2026 | 7 | NORTHERN UTILITIES, INC. D/B/A UNITIL INC | View Questions | | |
| EXM-005 | EXM-005 Hursak | 7/10/2026 | 18 | NORTHERN UTILITIES, INC. D/B/A UNITIL INC | View Questions | | |
| EXM-006 | EXM-006 Revenue Requirements (Goulding/Nawazelski) | 7/10/2026 | 27 | NORTHERN UTILITIES, INC. D/B/A UNITIL INC | View Questions | | |
| EXM-007 | EXM-007 Compensation/Benefits (Closson, Paterson, Terry Testimony) | 7/10/2026 | 11 | NORTHERN UTILITIES, INC. D/B/A UNITIL INC | View Questions | | |
| EXM-008 | EXM-008 Cash Working Capital (Anderson) | 7/10/2026 | 7 | NORTHERN UTILITIES, INC. D/B/A UNITIL INC | View Questions | | |
| EXM-009 | EXM-009 Capital Structure (Francoeur) | 7/10/2026 | 6 | NORTHERN UTILITIES, INC. D/B/A UNITIL INC | View Questions | | |
| EXM-010 | EXM-010 Budget/Capital Spending (LeBlanc, Mason, Renda) | 7/10/2026 | 19 | NORTHERN UTILITIES, INC. D/B/A UNITIL INC | View Questions | | |