diff --git a/tests/hazmat/primitives/fixtures_ec.py b/tests/hazmat/primitives/fixtures_ec.py
new file mode 100644
index 0000000..21c6903
--- /dev/null
+++ b/tests/hazmat/primitives/fixtures_ec.py
@@ -0,0 +1,296 @@
+# This file is dual licensed under the terms of the Apache License, Version
+# 2.0, and the BSD License. See the LICENSE file in the root of this repository
+# for complete details.
+
+from __future__ import absolute_import, division, print_function
+
+from cryptography.hazmat.primitives.asymmetric import ec
+
+
+EC_KEY_SECT571R1 = ec.EllipticCurvePrivateNumbers(
+    private_value=int(
+        '213997069697108634621868251335076179190383272087548888968788698953'
+        '131928375431570122753130054966269038244076049869476736547896549201'
+        '7388482714521707824160638375437887802901'
+    ),
+    public_numbers=ec.EllipticCurvePublicNumbers(
+        curve=ec.SECT571R1(),
+        x=int(
+            '42585672410900520895287019432267514156432686681290164230262278'
+            '54789182447139054594501570747809649335533486119017169439209005'
+            '883737780433424425566023654583165324498640038089'
+        ),
+        y=int(
+            '13822523320209387572500458104799806851658024537477228250738334'
+            '46977851514777531296572763848253279034733550774927720436494321'
+            '97281333379623823457479233585424800362717541750'
+        )
+    )
+)
+
+EC_KEY_SECT409R1 = ec.EllipticCurvePrivateNumbers(
+    private_value=int(
+        '604993237916498765317587097853603474519114726157206838874832379003'
+        '281871982139714656205843929472002062791572217653118715727'
+    ),
+    public_numbers=ec.EllipticCurvePublicNumbers(
+        curve=ec.SECT409R1(),
+        x=int(
+            '76237701339268928039087238870073679814646664010783544301589269'
+            '2272579213400205907766385199643053767195204247826349822350081'
+        ),
+        y=int(
+            '10056668929618383045204866060110626563392345494925302478351744'
+            '01475129090774493235522729123877384838835703483224447476728811'
+        )
+    )
+)
+
+EC_KEY_SECT283R1 = ec.EllipticCurvePrivateNumbers(
+    private_value=int(
+        '589705077255658434962118789801402573495547207239917043241273753671'
+        '0603230261342427657'
+    ),
+    public_numbers=ec.EllipticCurvePublicNumbers(
+        curve=ec.SECT283R1(),
+        x=int(
+            '10694213430317013187241490088760888472172922291550831393222973'
+            '531614941756901942108493'
+        ),
+        y=int(
+            '11461553100313943515373601367527399649593366728262918214942116'
+            '4359557613202950705170'
+        )
+    )
+)
+
+EC_KEY_SECT233R1 = ec.EllipticCurvePrivateNumbers(
+    private_value=int(
+        '343470067105388144757135261232658742142830154753739648095101899829'
+        '8288'
+    ),
+    public_numbers=ec.EllipticCurvePublicNumbers(
+        curve=ec.SECT233R1(),
+        x=int(
+            '74494951569151557692195071465128140646140765188698294062550374'
+            '71118267'
+        ),
+        y=int(
+            '48699150823022962508544923825876164485917001162461401797511748'
+            '44872205'
+        )
+    )
+)
+
+EC_KEY_SECT163R2 = ec.EllipticCurvePrivateNumbers(
+    private_value=int(
+        '11788436193853888218177032687141056784083668635'
+    ),
+    public_numbers=ec.EllipticCurvePublicNumbers(
+        curve=ec.SECT163R2(),
+        x=int(
+            '5247234453330640212490501030772203801908103222463'
+        ),
+        y=int(
+            '3172513801099088785224248292142866317754124455206'
+        )
+    )
+)
+
+EC_KEY_SECT571K1 = ec.EllipticCurvePrivateNumbers(
+    private_value=int(
+        '592811051234886966121888758661314648311634839499582476726008738218'
+        '165015048237934517672316204181933804884636855291118594744334592153'
+        '883208936227914544246799490897169723387'
+    ),
+    public_numbers=ec.EllipticCurvePublicNumbers(
+        curve=ec.SECT571K1(),
+        x=int(
+            '81362471461936552203898455874182916939857774872643607884250052'
+            '29301336524105230729653881789373412990921493551253481866317181'
+            '50644729351721577822595637058949405764944491655'
+        ),
+        y=int(
+            '14058041260812945396067821061063618047896814719828637241661260'
+            '31235681542401975593036630733881695595289523801041910183736211'
+            '587294494888450327374439795428519848065589000434'
+        )
+    )
+)
+
+EC_KEY_SECT409K1 = ec.EllipticCurvePrivateNumbers(
+    private_value=int(
+        '110321743150399087059465162400463719641470113494908091197354523708'
+        '934106732952992153105338671368548199643686444619485307877'
+    ),
+    public_numbers=ec.EllipticCurvePublicNumbers(
+        curve=ec.SECT409K1(),
+        x=int(
+            '62280214209410363493525178797944995742119600145953755916426161'
+            '0790364158569265348038207313261547476506319796469776797725796'
+        ),
+        y=int(
+            '46653883749102474289095010108777579907422472804577185369332018'
+            '7318642669590280811057512951467298158275464566214288556375885'
+        )
+    )
+)
+
+EC_KEY_SECT283K1 = ec.EllipticCurvePrivateNumbers(
+    private_value=int(
+        '182508394415444014156574733141549331538128234395356466108310015130'
+        '3868915489347291850'
+    ),
+    public_numbers=ec.EllipticCurvePublicNumbers(
+        curve=ec.SECT283K1(),
+        x=int(
+            '31141647206111886426350703123670451554123180910379592764773885'
+            '2959123367428352287032'
+        ),
+        y=int(
+            '71787460144483665964585187837283963089964760704065205376175384'
+            '58957627834444017112582'
+        )
+    )
+)
+
+EC_KEY_SECT233K1 = ec.EllipticCurvePrivateNumbers(
+    private_value=int(
+        '172670089647474613734091436081960550801254775902629891892394471086'
+        '2070'
+    ),
+    public_numbers=ec.EllipticCurvePublicNumbers(
+        curve=ec.SECT233K1(),
+        x=int(
+            '55693911474339510991521579392202889561373678973929426354737048'
+            '68129172'
+        ),
+        y=int(
+            '11025856248546376145959939911850923631416718241836051344384802'
+            '737277815'
+        )
+    )
+)
+
+EC_KEY_SECT163K1 = ec.EllipticCurvePrivateNumbers(
+    private_value=int(
+        '3699303791425402204035307605170569820290317991287'
+    ),
+    public_numbers=ec.EllipticCurvePublicNumbers(
+        curve=ec.SECT163K1(),
+        x=int(
+            '4479755902310063321544063130576409926980094120721'
+        ),
+        y=int(
+            '3051218481937171839039826690648109285113977745779'
+        )
+    )
+)
+
+EC_KEY_SECP521R1 = ec.EllipticCurvePrivateNumbers(
+    private_value=int(
+        '662751235215460886290293902658128847495347691199214706697089140769'
+        '672273950767961331442265530524063943548846724348048614239791498442'
+        '5997823106818915698960565'
+    ),
+    public_numbers=ec.EllipticCurvePublicNumbers(
+        curve=ec.SECP521R1(),
+        x=int(
+            '12944742826257420846659527752683763193401384271391513286022917'
+            '29910013082920512632908350502247952686156279140016049549948975'
+            '670668730618745449113644014505462'
+        ),
+        y=int(
+            '10784108810271976186737587749436295782985563640368689081052886'
+            '16296815984553198866894145509329328086635278430266482551941240'
+            '591605833440825557820439734509311'
+        )
+    )
+)
+
+EC_KEY_SECP384R1 = ec.EllipticCurvePrivateNumbers(
+    private_value=int(
+        '280814107134858470598753916394807521398239633534281633982576099083'
+        '35787109896602102090002196616273211495718603965098'
+    ),
+    public_numbers=ec.EllipticCurvePublicNumbers(
+        curve=ec.SECP384R1(),
+        x=int(
+            '10036914308591746758780165503819213553101287571902957054148542'
+            '504671046744460374996612408381962208627004841444205030'
+        ),
+        y=int(
+            '17337335659928075994560513699823544906448896792102247714689323'
+            '575406618073069185107088229463828921069465902299522926'
+        )
+    )
+)
+
+EC_KEY_SECP256R1 = ec.EllipticCurvePrivateNumbers(
+    private_value=int(
+        '271032978511595617649844168316234344656921218699414461240502635010'
+        '25776962849'
+    ),
+    public_numbers=ec.EllipticCurvePublicNumbers(
+        curve=ec.SECP256R1(),
+        x=int(
+            '49325986169170464532722748935508337546545346352733747948730305'
+            '442770101441241'
+        ),
+        y=int(
+            '51709162888529903487188595007092772817469799707382623884187518'
+            '455962250433661'
+        )
+    )
+)
+
+EC_KEY_SECP256K1 = ec.EllipticCurvePrivateNumbers(
+    private_value=int(
+        '683341569008473593765879222774207677458810362976327530563215318048'
+        '64380736732'
+    ),
+    public_numbers=ec.EllipticCurvePublicNumbers(
+        curve=ec.SECP256K1(),
+        x=int(
+            '59251322975795306609293064274738085741081547489119277536110995'
+            '120127593127884'
+        ),
+        y=int(
+            '10334192001480392039227801832201340147605940717841294644187071'
+            '8261641142297801'
+        )
+    )
+)
+
+EC_KEY_SECP224R1 = ec.EllipticCurvePrivateNumbers(
+    private_value=int(
+        '234854340492774342642505519082413233282383066880756900834047566251'
+        '50'
+    ),
+    public_numbers=ec.EllipticCurvePublicNumbers(
+        curve=ec.SECP224R1(),
+        x=int(
+            '51165676638271204691095081341581621487998422645261573824239666'
+            '1214'
+        ),
+        y=int(
+            '14936601450555711309158397172719963843891926209168533453717969'
+            '1265'
+        )
+    )
+)
+
+EC_KEY_SECP192R1 = ec.EllipticCurvePrivateNumbers(
+    private_value=int(
+        '4534766128536179420071447168915990251715442361606049349869'
+    ),
+    public_numbers=ec.EllipticCurvePublicNumbers(
+        curve=ec.SECP192R1(),
+        x=int(
+            '5415069751170397888083674339683360671310515485781457536999'
+        ),
+        y=int(
+            '18671605334415960797751252911958331304288357195986572776'
+        )
+    )
+)
diff --git a/tests/hazmat/primitives/test_ec.py b/tests/hazmat/primitives/test_ec.py
index d086e99..a0417fb 100644
--- a/tests/hazmat/primitives/test_ec.py
+++ b/tests/hazmat/primitives/test_ec.py
@@ -22,6 +22,7 @@
     encode_rfc6979_signature
 )
 
+from .fixtures_ec import EC_KEY_SECP384R1
 from ...utils import (
     load_fips_ecdsa_key_pair_vectors, load_fips_ecdsa_signing_vectors,
     load_kasvs_ecdh_vectors, load_vectors_from_file,
@@ -928,17 +929,7 @@
                 pemfile.read().encode(), None, backend
             )
         )
-        public_key = ec.EllipticCurvePublicNumbers(
-            int(
-                "3411592940847846511444973873421894778212895963519463384397662"
-                "6983900466205627792914181900767401599528349662185720855"
-            ),
-            int(
-                "3632819834244394334395622140197408878581471655319641017478501"
-                "4862750487889436098934993486739984469019130932307943998"
-            ),
-            ec.SECP384R1(),
-        ).public_key(backend)
+        public_key = EC_KEY_SECP384R1.public_numbers.public_key(backend)
 
         with pytest.raises(ValueError):
             key.exchange(ec.ECDH(), public_key)