---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-23-006535"
form_type: "8-K"
ticker: "GTE"
cik: "0001273441"
company_name: "GRAN TIERRA ENERGY INC."
filed_at: "2023-01-25T23:59:59+00:00"
generated_at: "2026-06-20T09:14:57.952134+00:00"
event_type: "other_material"
sentiment: "positive"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Gran Tierra Energy reports 126% 1P reserves replacement; 1P NAV per share up 77% to $4.62

## Summary
- Added 14 MMBOE 1P (126% replacement), 17 MMBOE 2P (148%), 31 MMBOE 3P (280%); exploration added 5 MMBOE 1P.
- 1P NPV10 before tax $2.05B (+26% YoY); 2P NPV10 $3.0B (+25% YoY); 1P NAV/share $4.62 (+77%).
- 2023 YTD avg production ~33,000 bopd, within guidance of 32,000-34,000 bopd.
- Acordionero development well costs avg ~$1.1M/well, down 47% from 2019; workover costs down 51%.
- Reserve life index: 7 years (1P), 11 (2P), 15 (3P); three-year avg F&D PDP $11.69/boe.

## SEC filing metadata
- accession: 0001104659-23-006535
- form_type: 8-K
- ticker: GTE
- cik: 0001273441
- company_name: GRAN TIERRA ENERGY INC.
- filed_at: 2023-01-25T23:59:59+00:00
- event_type: other_material
- sentiment: positive
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1273441/000110465923006535/0001104659-23-006535-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1273441/000110465923006535/tm234212d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-23-006535
- JSON: https://secwatch.observer/filing/0001104659-23-006535.json
- Plain text: https://secwatch.observer/filing/0001104659-23-006535.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.