Exhibit TM_MUT_177_49820B29 · China Three Gorges Corporation (CTG)

Climate Evaluation

Same commitment, later deadline.

Timeline slipConfidence: Very likely

CTG will take urban sewage treatment as its starting point and play a backbone role in a concerted effort to protect the Yangtze River

CTG will take up responsibility for sewage treatment and play a leading role in concerted efforts to protect the Yangtze River in the Yangtze River Economic Belt

CTG slightly broadened its sewage treatment responsibilities beyond just urban areas and upgraded its described role from a "backbone" to a "leader" in protecting the Yangtze River, reflecting a minor shift in emphasis rather than a major policy change.

2018

"CTG will take urban sewage treatment as its starting point and play a backbone role in a concerted effort to protect the Yangtze River"

2019· candidate

"CTG will take up responsibility for sewage treatment and play a leading role in concerted efforts to protect the Yangtze River in the Yangtze River Economic Belt"

2018

2019

Mutation ReasoningThe new claim is nearly identical to the historical stance, with only subtle lexical variations: removal of 'urban' narrows specificity but not intent (since CTG's operational scope is inherently urban-centric in this context), and 'backbone role' → 'leading role' reflects synonymous framing in Chinese policy discourse. No change in responsibility, geographic scope (Yangtze River Economic Belt), or core mission. This qualifies as a low-severity DRIFT.

Intelligence Provenance Ledger

PACIA Job ID:c0e4debd-acc5-4d69-90fa-41b8617ce167Target Entity:China Three Gorges Corporation (CTG)Base Anchor:fuseki:entity:ctgCandidate Hash:urn:uuid:c0e4debd-acc5-4d69-90fa-41b8617ce167Retrieval Date:2026-07-01 (Automated pipeline)

This record maps to the agent consensus transcript and scatter-gather execution logs. Review tracing methodology.

Climate Evaluation

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