Archean Chemical Industries Limited has informed the Exchange about Fiscal Support Agreement by SiCSem Private Limited (Subsidiary of Archean Chemical Industries Limited) with the India Semiconductor Mission ("ISM"),

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ACI · price

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▲ positive · ▼ negative · ● neutral filings · teal = economic event · numbered = multiple that day (click to pick). Times IST.

Price reactionminutes from the announcement price · days from the prior close

-6.8%Reaction day

₹593.40

prior close

₹594.00

announcement price

After-mkt

timing

Nifty Microcap 250market · index membership as recorded later (tracked since Jun 2026)+0.7%-7.5% vs market

Specialty Chemicals peers, median of 92sector-0.1%-6.7% vs sector

On the reaction day the stock moved 7.5 pts less than Nifty Microcap 250 and 6.7 pts less than its Specialty Chemicals peers, over the same two closes: a difference in percentage points, not a measure of what the filing did.

Minutes after the announcementfrom the announcement price · no benchmark

Stock

-0.5

10m

-1.2

15m

-1.4

30m

-1.5

Sessions after the filingfrom the prior close

StockMarketvs marketSectorvs sector

Reaction day

-6.8+0.7-7.5-0.1-6.7

Next day

-5.6+0.9-6.6+0.8-6.5

-9.8+0.6-10.4+0.3-10.1

-9.0-0.8-8.2-1.2-7.8

-10.0-0.4-9.6-0.0-9.9

-12.3+0.2-12.5-0.0-12.2

-10.7+1.4-12.1+0.2-10.9

15d

-10.5+4.2-14.7+0.2-10.7

-9.3+6.3-15.6+0.5-9.8

-10.9+11.3-22.3+4.0-14.9

-13.8+14.0-27.8+8.5-22.3

UpDownMarket · Nifty Microcap 250Sector · Specialty Chemicals peers, median of 92Pending

Minute windows have no benchmark: there is no intraday index history to compare against.

AI summary

Archean Chemical's step-down subsidiary SiCSem Private Limited has signed a Fiscal Support Agreement (FSA) with the India Semiconductor Mission (ISM), formalising Rs. 2,067 crore of committed government CapEx support under the Semicon India Programme. The funds will support India's first approved Silicon Carbide (SiC) Compound Semiconductor Fab and ATMP facility in Bhubaneswar, Odisha. The facility targets annual production of ~60,000 SiC wafers and ~96 million SiC MOSFETs and diodes for EV, renewable energy, 5G, and data centre sectors. This follows ISM approval received in August 2025 and prior inter-corporate funding by ACIL to its subsidiary Neun Infra for machinery procurement.

Likely market impact

Positive signal — the FSA locks in government fiscal backing for a major semiconductor project, de-risking the Rs. 2,067 crore investment and strengthening ACIL's strategic positioning in India's emerging chip manufacturing ecosystem.